1390226786

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{4113097}}^1$

素因数の和:4113125

約数の個数: 12

約数和(自身を含む): 2258090802

約数和(自身を除く): 867864016

約数列:

[1, 2, 13, 26, 169, 338, 4113097, 8226194, 53470261, 106940522, 695113393, 1390226786]

約数ペア:

[(1, 1390226786), (2, 695113393), (13, 106940522), (26, 53470261), (169, 8226194), (338, 4113097)]