660218

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{379}}^1$

素因数の和:461

約数の個数: 16

約数和(自身を含む): 1085280

約数和(自身を除く): 425062

約数列:

[1, 2, 13, 26, 67, 134, 379, 758, 871, 1742, 4927, 9854, 25393, 50786, 330109, 660218]

約数ペア:

[(1, 660218), (2, 330109), (13, 50786), (26, 25393), (67, 9854), (134, 4927), (379, 1742), (758, 871)]