13478575

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2131}}^1$

素因数の和:2175

約数の個数: 24

約数和(自身を含む): 19034496

約数和(自身を除く): 5555921

約数列:

[1, 5, 11, 23, 25, 55, 115, 253, 275, 575, 1265, 2131, 6325, 10655, 23441, 49013, 53275, 117205, 245065, 539143, 586025, 1225325, 2695715, 13478575]

約数ペア:

[(1, 13478575), (5, 2695715), (11, 1225325), (23, 586025), (25, 539143), (55, 245065), (115, 117205), (253, 53275), (275, 49013), (575, 23441), (1265, 10655), (2131, 6325)]