636703664

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1$

素因数の和:414

約数の個数: 80

約数和(自身を含む): 1322004672

約数和(自身を除く): 685301008

約数列:

[1, 2, 4, 8, 16, 23, 46, 73, 92, 137, 146, 173, 184, 274, 292, 346, 368, 548, 584, 692, 1096, 1168, 1384, 1679, 2192, 2768, 3151, 3358, 3979, 6302, 6716, 7958, 10001, 12604, 12629, 13432, 15916, 20002, 23701, 25208, 25258, 26864, 31832, 40004, 47402, 50416, 50516, 63664, 80008, 94804, 101032, 160016, 189608, 202064, 230023, 290467, 379216, 460046, 545123, 580934, 920092, 1090246, 1161868, 1730173, 1840184, 2180492, 2323736, 3460346, 3680368, 4360984, 4647472, 6920692, 8721968, 13841384, 27682768, 39793979, 79587958, 159175916, 318351832, 636703664]

約数ペア:

[(1, 636703664), (2, 318351832), (4, 159175916), (8, 79587958), (16, 39793979), (23, 27682768), (46, 13841384), (73, 8721968), (92, 6920692), (137, 4647472), (146, 4360984), (173, 3680368), (184, 3460346), (274, 2323736), (292, 2180492), (346, 1840184), (368, 1730173), (548, 1161868), (584, 1090246), (692, 920092), (1096, 580934), (1168, 545123), (1384, 460046), (1679, 379216), (2192, 290467), (2768, 230023), (3151, 202064), (3358, 189608), (3979, 160016), (6302, 101032), (6716, 94804), (7958, 80008), (10001, 63664), (12604, 50516), (12629, 50416), (13432, 47402), (15916, 40004), (20002, 31832), (23701, 26864), (25208, 25258)]