420875646838

素因数分解:

$2^1\times {\mathrm{191}}^1\times {\mathrm{2719}}^1\times {\mathrm{405211}}^1$

素因数の和:408123

約数の個数: 16

約数和(自身を含む): 634853744640

約数和(自身を除く): 213978097802

約数列:

[1, 2, 191, 382, 2719, 5438, 405211, 519329, 810422, 1038658, 77395301, 154790602, 1101768709, 2203537418, 210437823419, 420875646838]

約数ペア:

[(1, 420875646838), (2, 210437823419), (191, 2203537418), (382, 1101768709), (2719, 154790602), (5438, 77395301), (405211, 1038658), (519329, 810422)]