189886736

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{647}}^1$

素因数の和:768

約数の個数: 80

約数和(自身を含む): 425222784

約数和(自身を除く): 235336048

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 83, 104, 136, 166, 208, 221, 272, 332, 442, 647, 664, 884, 1079, 1294, 1328, 1411, 1768, 2158, 2588, 2822, 3536, 4316, 5176, 5644, 8411, 8632, 10352, 10999, 11288, 16822, 17264, 18343, 21998, 22576, 33644, 36686, 43996, 53701, 67288, 73372, 87992, 107402, 134576, 142987, 146744, 175984, 214804, 285974, 293488, 429608, 571948, 698113, 859216, 912917, 1143896, 1396226, 1825834, 2287792, 2792452, 3651668, 5584904, 7303336, 11169808, 11867921, 14606672, 23735842, 47471684, 94943368, 189886736]

約数ペア:

[(1, 189886736), (2, 94943368), (4, 47471684), (8, 23735842), (13, 14606672), (16, 11867921), (17, 11169808), (26, 7303336), (34, 5584904), (52, 3651668), (68, 2792452), (83, 2287792), (104, 1825834), (136, 1396226), (166, 1143896), (208, 912917), (221, 859216), (272, 698113), (332, 571948), (442, 429608), (647, 293488), (664, 285974), (884, 214804), (1079, 175984), (1294, 146744), (1328, 142987), (1411, 134576), (1768, 107402), (2158, 87992), (2588, 73372), (2822, 67288), (3536, 53701), (4316, 43996), (5176, 36686), (5644, 33644), (8411, 22576), (8632, 21998), (10352, 18343), (10999, 17264), (11288, 16822)]