81392257

素因数分解:

${\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{641}}^1$

素因数の和:864

約数の個数: 16

約数和(自身を含む): 88441920

約数和(自身を除く): 7049663

約数列:

[1, 19, 41, 163, 641, 779, 3097, 6683, 12179, 26281, 104483, 126977, 499339, 1985177, 4283803, 81392257]

約数ペア:

[(1, 81392257), (19, 4283803), (41, 1985177), (163, 499339), (641, 126977), (779, 104483), (3097, 26281), (6683, 12179)]