28690129

素因数分解:

${\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:420

約数の個数: 16

約数和(自身を含む): 31646160

約数和(自身を除く): 2956031

約数列:

[1, 13, 89, 137, 181, 1157, 1781, 2353, 12193, 16109, 24797, 158509, 209417, 322361, 2206933, 28690129]

約数ペア:

[(1, 28690129), (13, 2206933), (89, 322361), (137, 209417), (181, 158509), (1157, 24797), (1781, 16109), (2353, 12193)]