389625866

素因数分解:

$2^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{145709}}^1$

素因数の和:145909

約数の個数: 16

約数和(自身を含む): 671431680

約数和(自身を除く): 281805814

約数列:

[1, 2, 7, 14, 191, 382, 1337, 2674, 145709, 291418, 1019963, 2039926, 27830419, 55660838, 194812933, 389625866]

約数ペア:

[(1, 389625866), (2, 194812933), (7, 55660838), (14, 27830419), (191, 2039926), (382, 1019963), (1337, 291418), (2674, 145709)]