64995070

素因数分解:

$2^1\times 5^1\times 7^4\times {\mathrm{2707}}^1$

素因数の和:2742

約数の個数: 40

約数和(自身を含む): 136531944

約数和(自身を除く): 71536874

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 2401, 2707, 3430, 4802, 5414, 12005, 13535, 18949, 24010, 27070, 37898, 94745, 132643, 189490, 265286, 663215, 928501, 1326430, 1857002, 4642505, 6499507, 9285010, 12999014, 32497535, 64995070]

約数ペア:

[(1, 64995070), (2, 32497535), (5, 12999014), (7, 9285010), (10, 6499507), (14, 4642505), (35, 1857002), (49, 1326430), (70, 928501), (98, 663215), (245, 265286), (343, 189490), (490, 132643), (686, 94745), (1715, 37898), (2401, 27070), (2707, 24010), (3430, 18949), (4802, 13535), (5414, 12005)]