12221275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2339}}^1$

素因数の和:2379

約数の個数: 24

約数和(自身を含む): 17409600

約数和(自身を除く): 5188325

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 475, 1045, 2339, 5225, 11695, 25729, 44441, 58475, 128645, 222205, 488851, 643225, 1111025, 2444255, 12221275]

約数ペア:

[(1, 12221275), (5, 2444255), (11, 1111025), (19, 643225), (25, 488851), (55, 222205), (95, 128645), (209, 58475), (275, 44441), (475, 25729), (1045, 11695), (2339, 5225)]