72578947

素因数分解:

$7^2\times {\mathrm{521}}^1\times {\mathrm{2843}}^1$

素因数の和:3378

約数の個数: 12

約数和(自身を含む): 84620376

約数和(自身を除く): 12041429

約数列:

[1, 7, 49, 521, 2843, 3647, 19901, 25529, 139307, 1481203, 10368421, 72578947]

約数ペア:

[(1, 72578947), (7, 10368421), (49, 1481203), (521, 139307), (2843, 25529), (3647, 19901)]