7929025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{787}}^1$

素因数の和:841

約数の個数: 24

約数和(自身を含む): 10943744

約数和(自身を除く): 3014719

約数列:

[1, 5, 13, 25, 31, 65, 155, 325, 403, 775, 787, 2015, 3935, 10075, 10231, 19675, 24397, 51155, 121985, 255775, 317161, 609925, 1585805, 7929025]

約数ペア:

[(1, 7929025), (5, 1585805), (13, 609925), (25, 317161), (31, 255775), (65, 121985), (155, 51155), (325, 24397), (403, 19675), (775, 10231), (787, 10075), (2015, 3935)]