1668858464

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:226

約数の個数: 288

約数和(自身を含む): 4504550400

約数和(自身を除く): 2835691936

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 31, 32, 38, 49, 52, 56, 62, 76, 91, 98, 104, 112, 124, 133, 139, 152, 182, 196, 208, 217, 224, 247, 248, 266, 278, 304, 364, 392, 403, 416, 434, 494, 496, 532, 556, 589, 608, 637, 728, 784, 806, 868, 931, 973, 988, 992, 1064, 1112, 1178, 1274, 1456, 1519, 1568, 1612, 1729, 1736, 1807, 1862, 1946, 1976, 2128, 2224, 2356, 2548, 2641, 2821, 2912, 3038, 3224, 3458, 3472, 3614, 3724, 3892, 3952, 4123, 4256, 4309, 4448, 4712, 5096, 5282, 5642, 6076, 6448, 6811, 6916, 6944, 7228, 7448, 7657, 7784, 7904, 8246, 8618, 9424, 10192, 10564, 11284, 12103, 12152, 12649, 12896, 13622, 13832, 14456, 14896, 15314, 15568, 16492, 17236, 18487, 18848, 19747, 20384, 21128, 22568, 24206, 24304, 25298, 27244, 27664, 28861, 28912, 29792, 30163, 30628, 31136, 32984, 34333, 34472, 36974, 39494, 42256, 45136, 48412, 48608, 50596, 53599, 54488, 55328, 56017, 57722, 57824, 60326, 61256, 65968, 68666, 68944, 73948, 78988, 81871, 84512, 88543, 90272, 96824, 101192, 107198, 108976, 112034, 115444, 120652, 122512, 129409, 131936, 137332, 137888, 147896, 157976, 163742, 177086, 193648, 202384, 211141, 214396, 217952, 224068, 230888, 240331, 241304, 245024, 258818, 274664, 295792, 315952, 327484, 354172, 375193, 387296, 392119, 404768, 422282, 428792, 448136, 461776, 480662, 482608, 517636, 549328, 573097, 591584, 631904, 654968, 708344, 750386, 784238, 844564, 857584, 896272, 923552, 961324, 965216, 1035272, 1064323, 1098656, 1146194, 1309936, 1416688, 1500772, 1568476, 1682317, 1689128, 1715168, 1792544, 1922648, 2070544, 2128646, 2292388, 2619872, 2744833, 2833376, 3001544, 3136952, 3364634, 3378256, 3845296, 4011679, 4141088, 4257292, 4584776, 5489666, 6003088, 6273904, 6729268, 6756512, 7450261, 7690592, 8023358, 8514584, 9169552, 10979332, 12006176, 12547808, 13458536, 14900522, 16046716, 17029168, 18339104, 21958664, 26917072, 29801044, 32093432, 34058336, 43917328, 52151827, 53834144, 59602088, 64186864, 87834656, 104303654, 119204176, 128373728, 208607308, 238408352, 417214616, 834429232, 1668858464]

約数ペア:

[(1, 1668858464), (2, 834429232), (4, 417214616), (7, 238408352), (8, 208607308), (13, 128373728), (14, 119204176), (16, 104303654), (19, 87834656), (26, 64186864), (28, 59602088), (31, 53834144), (32, 52151827), (38, 43917328), (49, 34058336), (52, 32093432), (56, 29801044), (62, 26917072), (76, 21958664), (91, 18339104), (98, 17029168), (104, 16046716), (112, 14900522), (124, 13458536), (133, 12547808), (139, 12006176), (152, 10979332), (182, 9169552), (196, 8514584), (208, 8023358), (217, 7690592), (224, 7450261), (247, 6756512), (248, 6729268), (266, 6273904), (278, 6003088), (304, 5489666), (364, 4584776), (392, 4257292), (403, 4141088), (416, 4011679), (434, 3845296), (494, 3378256), (496, 3364634), (532, 3136952), (556, 3001544), (589, 2833376), (608, 2744833), (637, 2619872), (728, 2292388), (784, 2128646), (806, 2070544), (868, 1922648), (931, 1792544), (973, 1715168), (988, 1689128), (992, 1682317), (1064, 1568476), (1112, 1500772), (1178, 1416688), (1274, 1309936), (1456, 1146194), (1519, 1098656), (1568, 1064323), (1612, 1035272), (1729, 965216), (1736, 961324), (1807, 923552), (1862, 896272), (1946, 857584), (1976, 844564), (2128, 784238), (2224, 750386), (2356, 708344), (2548, 654968), (2641, 631904), (2821, 591584), (2912, 573097), (3038, 549328), (3224, 517636), (3458, 482608), (3472, 480662), (3614, 461776), (3724, 448136), (3892, 428792), (3952, 422282), (4123, 404768), (4256, 392119), (4309, 387296), (4448, 375193), (4712, 354172), (5096, 327484), (5282, 315952), (5642, 295792), (6076, 274664), (6448, 258818), (6811, 245024), (6916, 241304), (6944, 240331), (7228, 230888), (7448, 224068), (7657, 217952), (7784, 214396), (7904, 211141), (8246, 202384), (8618, 193648), (9424, 177086), (10192, 163742), (10564, 157976), (11284, 147896), (12103, 137888), (12152, 137332), (12649, 131936), (12896, 129409), (13622, 122512), (13832, 120652), (14456, 115444), (14896, 112034), (15314, 108976), (15568, 107198), (16492, 101192), (17236, 96824), (18487, 90272), (18848, 88543), (19747, 84512), (20384, 81871), (21128, 78988), (22568, 73948), (24206, 68944), (24304, 68666), (25298, 65968), (27244, 61256), (27664, 60326), (28861, 57824), (28912, 57722), (29792, 56017), (30163, 55328), (30628, 54488), (31136, 53599), (32984, 50596), (34333, 48608), (34472, 48412), (36974, 45136), (39494, 42256)]