71749810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{397}}^1$

素因数の和:499

約数の個数: 64

約数和(自身を含む): 148552704

約数和(自身を除く): 76802894

約数列:

[1, 2, 5, 10, 11, 22, 31, 53, 55, 62, 106, 110, 155, 265, 310, 341, 397, 530, 583, 682, 794, 1166, 1643, 1705, 1985, 2915, 3286, 3410, 3970, 4367, 5830, 8215, 8734, 12307, 16430, 18073, 21041, 21835, 24614, 36146, 42082, 43670, 61535, 90365, 105205, 123070, 135377, 180730, 210410, 231451, 270754, 462902, 652271, 676885, 1157255, 1304542, 1353770, 2314510, 3261355, 6522710, 7174981, 14349962, 35874905, 71749810]

約数ペア:

[(1, 71749810), (2, 35874905), (5, 14349962), (10, 7174981), (11, 6522710), (22, 3261355), (31, 2314510), (53, 1353770), (55, 1304542), (62, 1157255), (106, 676885), (110, 652271), (155, 462902), (265, 270754), (310, 231451), (341, 210410), (397, 180730), (530, 135377), (583, 123070), (682, 105205), (794, 90365), (1166, 61535), (1643, 43670), (1705, 42082), (1985, 36146), (2915, 24614), (3286, 21835), (3410, 21041), (3970, 18073), (4367, 16430), (5830, 12307), (8215, 8734)]