12961325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2099}}^1$

素因数の和:2141

約数の個数: 24

約数和(自身を含む): 18228000

約数和(自身を除く): 5266675

約数列:

[1, 5, 13, 19, 25, 65, 95, 247, 325, 475, 1235, 2099, 6175, 10495, 27287, 39881, 52475, 136435, 199405, 518453, 682175, 997025, 2592265, 12961325]

約数ペア:

[(1, 12961325), (5, 2592265), (13, 997025), (19, 682175), (25, 518453), (65, 199405), (95, 136435), (247, 52475), (325, 39881), (475, 27287), (1235, 10495), (2099, 6175)]