66990658

素因数分解:

$2^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{17657}}^1$

素因数の和:17937

約数の個数: 16

約数和(自身を含む): 115271424

約数和(自身を除く): 48280766

約数列:

[1, 2, 7, 14, 271, 542, 1897, 3794, 17657, 35314, 123599, 247198, 4785047, 9570094, 33495329, 66990658]

約数ペア:

[(1, 66990658), (2, 33495329), (7, 9570094), (14, 4785047), (271, 247198), (542, 123599), (1897, 35314), (3794, 17657)]