645619202

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{104233}}^1$

素因数の和:104417

約数の個数: 16

約数和(自身を含む): 1025662560

約数和(自身を除く): 380043358

約数列:

[1, 2, 19, 38, 163, 326, 3097, 6194, 104233, 208466, 1980427, 3960854, 16989979, 33979958, 322809601, 645619202]

約数ペア:

[(1, 645619202), (2, 322809601), (19, 33979958), (38, 16989979), (163, 3960854), (326, 1980427), (3097, 208466), (6194, 104233)]