12513475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{277}}^1$

素因数の和:439

約数の個数: 24

約数和(自身を含む): 16891280

約数和(自身を除く): 4377805

約数列:

[1, 5, 13, 25, 65, 139, 277, 325, 695, 1385, 1807, 3475, 3601, 6925, 9035, 18005, 38503, 45175, 90025, 192515, 500539, 962575, 2502695, 12513475]

約数ペア:

[(1, 12513475), (5, 2502695), (13, 962575), (25, 500539), (65, 192515), (139, 90025), (277, 45175), (325, 38503), (695, 18005), (1385, 9035), (1807, 6925), (3475, 3601)]