399168917

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{827}}^1\times {\mathrm{1301}}^1$

素因数の和:2188

約数の個数: 16

約数和(自身を含む): 465720192

約数和(自身を除く): 66551275

約数列:

[1, 7, 53, 371, 827, 1301, 5789, 9107, 43831, 68953, 306817, 482671, 1075927, 7531489, 57024131, 399168917]

約数ペア:

[(1, 399168917), (7, 57024131), (53, 7531489), (371, 1075927), (827, 482671), (1301, 306817), (5789, 68953), (9107, 43831)]