31978921

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{144701}}^1$

素因数の和:144731

約数の個数: 8

約数和(自身を含む): 36464904

約数和(自身を除く): 4485983

約数列:

[1, 13, 17, 221, 144701, 1881113, 2459917, 31978921]

約数ペア:

[(1, 31978921), (13, 2459917), (17, 1881113), (221, 144701)]