68390516

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{2207}}^1$

素因数の和:2399

約数の個数: 24

約数和(自身を含む): 122658816

約数和(自身を除く): 54268300

約数列:

[1, 2, 4, 61, 122, 127, 244, 254, 508, 2207, 4414, 7747, 8828, 15494, 30988, 134627, 269254, 280289, 538508, 560578, 1121156, 17097629, 34195258, 68390516]

約数ペア:

[(1, 68390516), (2, 34195258), (4, 17097629), (61, 1121156), (122, 560578), (127, 538508), (244, 280289), (254, 269254), (508, 134627), (2207, 30988), (4414, 15494), (7747, 8828)]