9900995

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8017}}^1$

素因数の和:8054

約数の個数: 16

約数和(自身を含む): 13470240

約数和(自身を除く): 3569245

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 8017, 40085, 104221, 152323, 521105, 761615, 1980199, 9900995]

約数ペア:

[(1, 9900995), (5, 1980199), (13, 761615), (19, 521105), (65, 152323), (95, 104221), (247, 40085), (1235, 8017)]