2157627818

素因数分解:

$2^1\times {\mathrm{401}}^2\times {\mathrm{6709}}^1$

素因数の和:7513

約数の個数: 12

約数和(自身を含む): 3245016390

約数和(自身を除く): 1087388572

約数列:

[1, 2, 401, 802, 6709, 13418, 160801, 321602, 2690309, 5380618, 1078813909, 2157627818]

約数ペア:

[(1, 2157627818), (2, 1078813909), (401, 5380618), (802, 2690309), (6709, 321602), (13418, 160801)]