491974171312

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{3393487}}^1$

素因数の和:3393566

約数の個数: 80

約数和(自身を含む): 1113416986752

約数和(自身を除く): 621442815440

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 41, 52, 68, 82, 104, 136, 164, 208, 221, 272, 328, 442, 533, 656, 697, 884, 1066, 1394, 1768, 2132, 2788, 3536, 4264, 5576, 8528, 9061, 11152, 18122, 36244, 72488, 144976, 3393487, 6786974, 13573948, 27147896, 44115331, 54295792, 57689279, 88230662, 115378558, 139132967, 176461324, 230757116, 278265934, 352922648, 461514232, 556531868, 705845296, 749960627, 923028464, 1113063736, 1499921254, 1808728571, 2226127472, 2365260439, 2999842508, 3617457142, 4730520878, 5999685016, 7234914284, 9461041756, 11999370032, 14469828568, 18922083512, 28939657136, 30748385707, 37844167024, 61496771414, 122993542828, 245987085656, 491974171312]

約数ペア:

[(1, 491974171312), (2, 245987085656), (4, 122993542828), (8, 61496771414), (13, 37844167024), (16, 30748385707), (17, 28939657136), (26, 18922083512), (34, 14469828568), (41, 11999370032), (52, 9461041756), (68, 7234914284), (82, 5999685016), (104, 4730520878), (136, 3617457142), (164, 2999842508), (208, 2365260439), (221, 2226127472), (272, 1808728571), (328, 1499921254), (442, 1113063736), (533, 923028464), (656, 749960627), (697, 705845296), (884, 556531868), (1066, 461514232), (1394, 352922648), (1768, 278265934), (2132, 230757116), (2788, 176461324), (3536, 139132967), (4264, 115378558), (5576, 88230662), (8528, 57689279), (9061, 54295792), (11152, 44115331), (18122, 27147896), (36244, 13573948), (72488, 6786974), (144976, 3393487)]