99991895

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{751}}^1\times {\mathrm{859}}^1$

素因数の和:1646

約数の個数: 16

約数和(自身を含む): 124170240

約数和(自身を除く): 24178345

約数列:

[1, 5, 31, 155, 751, 859, 3755, 4295, 23281, 26629, 116405, 133145, 645109, 3225545, 19998379, 99991895]

約数ペア:

[(1, 99991895), (5, 19998379), (31, 3225545), (155, 645109), (751, 133145), (859, 116405), (3755, 26629), (4295, 23281)]