222917825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{2531}}^1$

素因数の和:2825

約数の個数: 24

約数和(自身を含む): 298897536

約数和(自身を除く): 75979711

約数列:

[1, 5, 13, 25, 65, 271, 325, 1355, 2531, 3523, 6775, 12655, 17615, 32903, 63275, 88075, 164515, 685901, 822575, 3429505, 8916713, 17147525, 44583565, 222917825]

約数ペア:

[(1, 222917825), (5, 44583565), (13, 17147525), (25, 8916713), (65, 3429505), (271, 822575), (325, 685901), (1355, 164515), (2531, 88075), (3523, 63275), (6775, 32903), (12655, 17615)]