12157475

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{4019}}^1$

素因数の和:4051

約数の個数: 18

約数和(自身を含む): 16574460

約数和(自身を除く): 4416985

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 4019, 20095, 44209, 100475, 221045, 486299, 1105225, 2431495, 12157475]

約数ペア:

[(1, 12157475), (5, 2431495), (11, 1105225), (25, 486299), (55, 221045), (121, 100475), (275, 44209), (605, 20095), (3025, 4019)]