128157445

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{37201}}^1$

素因数の和:37272

約数の個数: 16

約数和(自身を含む): 168748272

約数和(自身を除く): 40590827

約数列:

[1, 5, 13, 53, 65, 265, 689, 3445, 37201, 186005, 483613, 1971653, 2418065, 9858265, 25631489, 128157445]

約数ペア:

[(1, 128157445), (5, 25631489), (13, 9858265), (53, 2418065), (65, 1971653), (265, 483613), (689, 186005), (3445, 37201)]