78085825

素因数分解:

$5^2\times {\mathrm{113}}^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:465

約数の個数: 24

約数和(自身を含む): 98895456

約数和(自身を除く): 20809631

約数列:

[1, 5, 25, 113, 131, 211, 565, 655, 1055, 2825, 3275, 5275, 14803, 23843, 27641, 74015, 119215, 138205, 370075, 596075, 691025, 3123433, 15617165, 78085825]

約数ペア:

[(1, 78085825), (5, 15617165), (25, 3123433), (113, 691025), (131, 596075), (211, 370075), (565, 138205), (655, 119215), (1055, 74015), (2825, 27641), (3275, 23843), (5275, 14803)]