1389596929

素因数分解:

$7^3\times {\mathrm{401}}^1\times {\mathrm{10103}}^1$

素因数の和:10525

約数の個数: 16

約数和(自身を含む): 1624723200

約数和(自身を除く): 235126271

約数列:

[1, 7, 49, 343, 401, 2807, 10103, 19649, 70721, 137543, 495047, 3465329, 4051303, 28359121, 198513847, 1389596929]

約数ペア:

[(1, 1389596929), (7, 198513847), (49, 28359121), (343, 4051303), (401, 3465329), (2807, 495047), (10103, 137543), (19649, 70721)]