81796792

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:221

約数の個数: 128

約数和(自身を含む): 207152640

約数和(自身を除く): 125355848

約数列:

[1, 2, 4, 7, 8, 11, 14, 17, 22, 28, 34, 44, 56, 68, 73, 77, 88, 107, 119, 136, 146, 154, 187, 214, 238, 292, 308, 374, 428, 476, 511, 584, 616, 748, 749, 803, 856, 952, 1022, 1177, 1241, 1309, 1496, 1498, 1606, 1819, 2044, 2354, 2482, 2618, 2996, 3212, 3638, 4088, 4708, 4964, 5236, 5621, 5992, 6424, 7276, 7811, 8239, 8687, 9416, 9928, 10472, 11242, 12733, 13651, 14552, 15622, 16478, 17374, 20009, 22484, 25466, 27302, 31244, 32956, 34748, 40018, 44968, 50932, 54604, 54677, 62488, 65912, 69496, 80036, 85921, 95557, 101864, 109208, 109354, 132787, 140063, 160072, 171842, 191114, 218708, 265574, 280126, 343684, 382228, 437416, 531148, 560252, 601447, 687368, 764456, 929509, 1062296, 1120504, 1202894, 1460657, 1859018, 2405788, 2921314, 3718036, 4811576, 5842628, 7436072, 10224599, 11685256, 20449198, 40898396, 81796792]

約数ペア:

[(1, 81796792), (2, 40898396), (4, 20449198), (7, 11685256), (8, 10224599), (11, 7436072), (14, 5842628), (17, 4811576), (22, 3718036), (28, 2921314), (34, 2405788), (44, 1859018), (56, 1460657), (68, 1202894), (73, 1120504), (77, 1062296), (88, 929509), (107, 764456), (119, 687368), (136, 601447), (146, 560252), (154, 531148), (187, 437416), (214, 382228), (238, 343684), (292, 280126), (308, 265574), (374, 218708), (428, 191114), (476, 171842), (511, 160072), (584, 140063), (616, 132787), (748, 109354), (749, 109208), (803, 101864), (856, 95557), (952, 85921), (1022, 80036), (1177, 69496), (1241, 65912), (1309, 62488), (1496, 54677), (1498, 54604), (1606, 50932), (1819, 44968), (2044, 40018), (2354, 34748), (2482, 32956), (2618, 31244), (2996, 27302), (3212, 25466), (3638, 22484), (4088, 20009), (4708, 17374), (4964, 16478), (5236, 15622), (5621, 14552), (5992, 13651), (6424, 12733), (7276, 11242), (7811, 10472), (8239, 9928), (8687, 9416)]