12990115

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{887}}^1$

素因数の和:1022

約数の個数: 16

約数和(自身を含む): 16303680

約数和(自身を除く): 3313565

約数列:

[1, 5, 29, 101, 145, 505, 887, 2929, 4435, 14645, 25723, 89587, 128615, 447935, 2598023, 12990115]

約数ペア:

[(1, 12990115), (5, 2598023), (29, 447935), (101, 128615), (145, 89587), (505, 25723), (887, 14645), (2929, 4435)]