128889275

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{2551}}^1$

素因数の和:2651

約数の個数: 24

約数和(自身を含む): 167084544

約数和(自身を除く): 38195269

約数列:

[1, 5, 25, 43, 47, 215, 235, 1075, 1175, 2021, 2551, 10105, 12755, 50525, 63775, 109693, 119897, 548465, 599485, 2742325, 2997425, 5155571, 25777855, 128889275]

約数ペア:

[(1, 128889275), (5, 25777855), (25, 5155571), (43, 2997425), (47, 2742325), (215, 599485), (235, 548465), (1075, 119897), (1175, 109693), (2021, 63775), (2551, 50525), (10105, 12755)]