78870316

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^2\times {\mathrm{757}}^1$

素因数の和:890

約数の個数: 36

約数和(自身を含む): 160580784

約数和(自身を除く): 81710468

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 757, 854, 1514, 1708, 3028, 3721, 5299, 7442, 10598, 14884, 21196, 26047, 46177, 52094, 92354, 104188, 184708, 323239, 646478, 1292956, 2816797, 5633594, 11267188, 19717579, 39435158, 78870316]

約数ペア:

[(1, 78870316), (2, 39435158), (4, 19717579), (7, 11267188), (14, 5633594), (28, 2816797), (61, 1292956), (122, 646478), (244, 323239), (427, 184708), (757, 104188), (854, 92354), (1514, 52094), (1708, 46177), (3028, 26047), (3721, 21196), (5299, 14884), (7442, 10598)]