81355778

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1039}}^1$

素因数の和:1119

約数の個数: 48

約数和(自身を含む): 153653760

約数和(自身を除く): 72297982

約数列:

[1, 2, 7, 14, 17, 34, 47, 49, 94, 98, 119, 238, 329, 658, 799, 833, 1039, 1598, 1666, 2078, 2303, 4606, 5593, 7273, 11186, 14546, 17663, 35326, 39151, 48833, 50911, 78302, 97666, 101822, 123641, 247282, 341831, 683662, 830161, 865487, 1660322, 1730974, 2392817, 4785634, 5811127, 11622254, 40677889, 81355778]

約数ペア:

[(1, 81355778), (2, 40677889), (7, 11622254), (14, 5811127), (17, 4785634), (34, 2392817), (47, 1730974), (49, 1660322), (94, 865487), (98, 830161), (119, 683662), (238, 341831), (329, 247282), (658, 123641), (799, 101822), (833, 97666), (1039, 78302), (1598, 50911), (1666, 48833), (2078, 39151), (2303, 35326), (4606, 17663), (5593, 14546), (7273, 11186)]