391164626

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{21001}}^1$

素因数の和:21209

約数の個数: 16

約数和(自身を含む): 599817120

約数和(自身を除く): 208652494

約数列:

[1, 2, 67, 134, 139, 278, 9313, 18626, 21001, 42002, 1407067, 2814134, 2919139, 5838278, 195582313, 391164626]

約数ペア:

[(1, 391164626), (2, 195582313), (67, 5838278), (134, 2919139), (139, 2814134), (278, 1407067), (9313, 42002), (18626, 21001)]