71990906

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{16987}}^1$

素因数の和:17165

約数の個数: 16

約数和(自身を含む): 117013344

約数和(自身を除く): 45022438

約数列:

[1, 2, 13, 26, 163, 326, 2119, 4238, 16987, 33974, 220831, 441662, 2768881, 5537762, 35995453, 71990906]

約数ペア:

[(1, 71990906), (2, 35995453), (13, 5537762), (26, 2768881), (163, 441662), (326, 220831), (2119, 33974), (4238, 16987)]