391238848

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:271

約数の個数: 224

約数和(自身を含む): 1081479168

約数和(自身を除く): 690240320

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 31, 32, 44, 52, 56, 62, 64, 77, 88, 91, 104, 112, 124, 143, 154, 176, 182, 197, 208, 217, 224, 248, 286, 308, 341, 352, 364, 394, 403, 416, 434, 448, 496, 572, 616, 682, 704, 728, 788, 806, 832, 868, 992, 1001, 1144, 1232, 1364, 1379, 1456, 1576, 1612, 1736, 1984, 2002, 2167, 2288, 2387, 2464, 2561, 2728, 2758, 2821, 2912, 3152, 3224, 3472, 4004, 4334, 4433, 4576, 4774, 4928, 5122, 5456, 5516, 5642, 5824, 6107, 6304, 6448, 6944, 8008, 8668, 8866, 9152, 9548, 10244, 10912, 11032, 11284, 12214, 12608, 12896, 13888, 15169, 16016, 17336, 17732, 17927, 19096, 20488, 21824, 22064, 22568, 24428, 25792, 28171, 30338, 31031, 32032, 34672, 35464, 35854, 38192, 40976, 42749, 44128, 45136, 48856, 56342, 60676, 62062, 64064, 67177, 69344, 70928, 71708, 76384, 79391, 81952, 85498, 88256, 90272, 97712, 112684, 121352, 124124, 134354, 138688, 141856, 143416, 152768, 158782, 163904, 170996, 180544, 195424, 197197, 225368, 242704, 248248, 268708, 283712, 286832, 317564, 341992, 390848, 394394, 450736, 470239, 485408, 496496, 537416, 555737, 573664, 635128, 683984, 788788, 873301, 901472, 940478, 970816, 992992, 1074832, 1111474, 1147328, 1270256, 1367968, 1577576, 1746602, 1802944, 1880956, 1985984, 2149664, 2222948, 2540512, 2735936, 3155152, 3493204, 3761912, 4299328, 4445896, 5081024, 6113107, 6310304, 6986408, 7523824, 8891792, 12226214, 12620608, 13972816, 15047648, 17783584, 24452428, 27945632, 30095296, 35567168, 48904856, 55891264, 97809712, 195619424, 391238848]

約数ペア:

[(1, 391238848), (2, 195619424), (4, 97809712), (7, 55891264), (8, 48904856), (11, 35567168), (13, 30095296), (14, 27945632), (16, 24452428), (22, 17783584), (26, 15047648), (28, 13972816), (31, 12620608), (32, 12226214), (44, 8891792), (52, 7523824), (56, 6986408), (62, 6310304), (64, 6113107), (77, 5081024), (88, 4445896), (91, 4299328), (104, 3761912), (112, 3493204), (124, 3155152), (143, 2735936), (154, 2540512), (176, 2222948), (182, 2149664), (197, 1985984), (208, 1880956), (217, 1802944), (224, 1746602), (248, 1577576), (286, 1367968), (308, 1270256), (341, 1147328), (352, 1111474), (364, 1074832), (394, 992992), (403, 970816), (416, 940478), (434, 901472), (448, 873301), (496, 788788), (572, 683984), (616, 635128), (682, 573664), (704, 555737), (728, 537416), (788, 496496), (806, 485408), (832, 470239), (868, 450736), (992, 394394), (1001, 390848), (1144, 341992), (1232, 317564), (1364, 286832), (1379, 283712), (1456, 268708), (1576, 248248), (1612, 242704), (1736, 225368), (1984, 197197), (2002, 195424), (2167, 180544), (2288, 170996), (2387, 163904), (2464, 158782), (2561, 152768), (2728, 143416), (2758, 141856), (2821, 138688), (2912, 134354), (3152, 124124), (3224, 121352), (3472, 112684), (4004, 97712), (4334, 90272), (4433, 88256), (4576, 85498), (4774, 81952), (4928, 79391), (5122, 76384), (5456, 71708), (5516, 70928), (5642, 69344), (5824, 67177), (6107, 64064), (6304, 62062), (6448, 60676), (6944, 56342), (8008, 48856), (8668, 45136), (8866, 44128), (9152, 42749), (9548, 40976), (10244, 38192), (10912, 35854), (11032, 35464), (11284, 34672), (12214, 32032), (12608, 31031), (12896, 30338), (13888, 28171), (15169, 25792), (16016, 24428), (17336, 22568), (17732, 22064), (17927, 21824), (19096, 20488)]