1320253519

素因数分解:

${\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{137}}^1\times {\mathrm{449}}^1$

素因数の和:739

約数の個数: 24

約数和(自身を含む): 1454630400

約数和(自身を除く): 134376881

約数列:

[1, 13, 127, 137, 169, 449, 1651, 1781, 5837, 17399, 21463, 23153, 57023, 61513, 75881, 226187, 741299, 799669, 2940431, 7812151, 9636887, 10395697, 101557963, 1320253519]

約数ペア:

[(1, 1320253519), (13, 101557963), (127, 10395697), (137, 9636887), (169, 7812151), (449, 2940431), (1651, 799669), (1781, 741299), (5837, 226187), (17399, 75881), (21463, 61513), (23153, 57023)]