198959488

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:113

約数の個数: 256

約数和(自身を含む): 548352000

約数和(自身を除く): 349392512

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 29, 31, 32, 38, 52, 56, 58, 62, 64, 76, 91, 104, 112, 116, 124, 128, 133, 152, 182, 203, 208, 217, 224, 232, 247, 248, 266, 304, 364, 377, 403, 406, 416, 434, 448, 464, 494, 496, 532, 551, 589, 608, 728, 754, 806, 812, 832, 868, 896, 899, 928, 988, 992, 1064, 1102, 1178, 1216, 1456, 1508, 1612, 1624, 1664, 1729, 1736, 1798, 1856, 1976, 1984, 2128, 2204, 2356, 2432, 2639, 2821, 2912, 3016, 3224, 3248, 3458, 3472, 3596, 3712, 3857, 3952, 3968, 4123, 4256, 4408, 4712, 5278, 5642, 5824, 6032, 6293, 6448, 6496, 6916, 6944, 7163, 7192, 7657, 7714, 7904, 8246, 8512, 8816, 9424, 10556, 11284, 11648, 11687, 12064, 12586, 12896, 12992, 13832, 13888, 14326, 14384, 15314, 15428, 15808, 16492, 17024, 17081, 17632, 18848, 21112, 22568, 23374, 24128, 25172, 25792, 25984, 27664, 27776, 28652, 28768, 30628, 30856, 31616, 32984, 34162, 35264, 37696, 42224, 45136, 46748, 48256, 50141, 50344, 51584, 53599, 55328, 57304, 57536, 61256, 61712, 65968, 68324, 70528, 75392, 81809, 84448, 90272, 93496, 100282, 100688, 107198, 110656, 114608, 115072, 119567, 122512, 123424, 131936, 136648, 163618, 168896, 180544, 186992, 200564, 201376, 214396, 221312, 222053, 229216, 239134, 245024, 246848, 263872, 273296, 327236, 337792, 361088, 373984, 401128, 402752, 428792, 444106, 458432, 478268, 490048, 493696, 527744, 546592, 654472, 747968, 802256, 805504, 857584, 888212, 916864, 956536, 980096, 1093184, 1308944, 1495936, 1554371, 1604512, 1715168, 1776424, 1913072, 2186368, 2617888, 3108742, 3209024, 3430336, 3552848, 3826144, 5235776, 6217484, 6418048, 6860672, 7105696, 7652288, 10471552, 12434968, 14211392, 15304576, 24869936, 28422784, 49739872, 99479744, 198959488]

約数ペア:

[(1, 198959488), (2, 99479744), (4, 49739872), (7, 28422784), (8, 24869936), (13, 15304576), (14, 14211392), (16, 12434968), (19, 10471552), (26, 7652288), (28, 7105696), (29, 6860672), (31, 6418048), (32, 6217484), (38, 5235776), (52, 3826144), (56, 3552848), (58, 3430336), (62, 3209024), (64, 3108742), (76, 2617888), (91, 2186368), (104, 1913072), (112, 1776424), (116, 1715168), (124, 1604512), (128, 1554371), (133, 1495936), (152, 1308944), (182, 1093184), (203, 980096), (208, 956536), (217, 916864), (224, 888212), (232, 857584), (247, 805504), (248, 802256), (266, 747968), (304, 654472), (364, 546592), (377, 527744), (403, 493696), (406, 490048), (416, 478268), (434, 458432), (448, 444106), (464, 428792), (494, 402752), (496, 401128), (532, 373984), (551, 361088), (589, 337792), (608, 327236), (728, 273296), (754, 263872), (806, 246848), (812, 245024), (832, 239134), (868, 229216), (896, 222053), (899, 221312), (928, 214396), (988, 201376), (992, 200564), (1064, 186992), (1102, 180544), (1178, 168896), (1216, 163618), (1456, 136648), (1508, 131936), (1612, 123424), (1624, 122512), (1664, 119567), (1729, 115072), (1736, 114608), (1798, 110656), (1856, 107198), (1976, 100688), (1984, 100282), (2128, 93496), (2204, 90272), (2356, 84448), (2432, 81809), (2639, 75392), (2821, 70528), (2912, 68324), (3016, 65968), (3224, 61712), (3248, 61256), (3458, 57536), (3472, 57304), (3596, 55328), (3712, 53599), (3857, 51584), (3952, 50344), (3968, 50141), (4123, 48256), (4256, 46748), (4408, 45136), (4712, 42224), (5278, 37696), (5642, 35264), (5824, 34162), (6032, 32984), (6293, 31616), (6448, 30856), (6496, 30628), (6916, 28768), (6944, 28652), (7163, 27776), (7192, 27664), (7657, 25984), (7714, 25792), (7904, 25172), (8246, 24128), (8512, 23374), (8816, 22568), (9424, 21112), (10556, 18848), (11284, 17632), (11648, 17081), (11687, 17024), (12064, 16492), (12586, 15808), (12896, 15428), (12992, 15314), (13832, 14384), (13888, 14326)]