66979570

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{136693}}^1$

素因数の和:136714

約数の個数: 24

約数和(自身を含む): 140248044

約数和(自身を除く): 73268474

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 136693, 273386, 683465, 956851, 1366930, 1913702, 4784255, 6697957, 9568510, 13395914, 33489785, 66979570]

約数ペア:

[(1, 66979570), (2, 33489785), (5, 13395914), (7, 9568510), (10, 6697957), (14, 4784255), (35, 1913702), (49, 1366930), (70, 956851), (98, 683465), (245, 273386), (490, 136693)]