9921895

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1471}}^1$

素因数の和:1566

約数の個数: 16

約数和(自身を含む): 12718080

約数和(自身を除く): 2796185

約数列:

[1, 5, 19, 71, 95, 355, 1349, 1471, 6745, 7355, 27949, 104441, 139745, 522205, 1984379, 9921895]

約数ペア:

[(1, 9921895), (5, 1984379), (19, 522205), (71, 139745), (95, 104441), (355, 27949), (1349, 7355), (1471, 6745)]