12945725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{653}}^1$

素因数の和:737

約数の個数: 24

約数和(自身を含む): 17597832

約数和(自身を除く): 4652107

約数列:

[1, 5, 13, 25, 61, 65, 305, 325, 653, 793, 1525, 3265, 3965, 8489, 16325, 19825, 39833, 42445, 199165, 212225, 517829, 995825, 2589145, 12945725]

約数ペア:

[(1, 12945725), (5, 2589145), (13, 995825), (25, 517829), (61, 212225), (65, 199165), (305, 42445), (325, 39833), (653, 19825), (793, 16325), (1525, 8489), (3265, 3965)]