81970186

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{179}}^1\times {\mathrm{2267}}^1$

素因数の和:2549

約数の個数: 16

約数和(自身を含む): 124921440

約数和(自身を除く): 42951254

約数列:

[1, 2, 101, 179, 202, 358, 2267, 4534, 18079, 36158, 228967, 405793, 457934, 811586, 40985093, 81970186]

約数ペア:

[(1, 81970186), (2, 40985093), (101, 811586), (179, 457934), (202, 405793), (358, 228967), (2267, 36158), (4534, 18079)]