2581172495

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{222419}}^1$

素因数の和:222646

約数の個数: 16

約数和(自身を含む): 3395018880

約数和(自身を除く): 813846385

約数列:

[1, 5, 11, 55, 211, 1055, 2321, 11605, 222419, 1112095, 2446609, 12233045, 46930409, 234652045, 516234499, 2581172495]

約数ペア:

[(1, 2581172495), (5, 516234499), (11, 234652045), (55, 46930409), (211, 12233045), (1055, 2446609), (2321, 1112095), (11605, 222419)]