81216118

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{3617}}^1$

素因数の和:3831

約数の個数: 16

約数和(自身を含む): 124169760

約数和(自身を除く): 42953642

約数列:

[1, 2, 103, 109, 206, 218, 3617, 7234, 11227, 22454, 372551, 394253, 745102, 788506, 40608059, 81216118]

約数ペア:

[(1, 81216118), (2, 40608059), (103, 788506), (109, 745102), (206, 394253), (218, 372551), (3617, 22454), (7234, 11227)]