7871825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{457}}^1$

素因数の和:533

約数の個数: 24

約数和(自身を含む): 10733688

約数和(自身を除く): 2861863

約数列:

[1, 5, 13, 25, 53, 65, 265, 325, 457, 689, 1325, 2285, 3445, 5941, 11425, 17225, 24221, 29705, 121105, 148525, 314873, 605525, 1574365, 7871825]

約数ペア:

[(1, 7871825), (5, 1574365), (13, 605525), (25, 314873), (53, 148525), (65, 121105), (265, 29705), (325, 24221), (457, 17225), (689, 11425), (1325, 5941), (2285, 3445)]