289046875

素因数分解:

$5^6\times {\mathrm{13}}^1\times {\mathrm{1423}}^1$

素因数の和:1466

約数の個数: 28

約数和(自身を含む): 389370016

約数和(自身を除く): 100323141

約数列:

[1, 5, 13, 25, 65, 125, 325, 625, 1423, 1625, 3125, 7115, 8125, 15625, 18499, 35575, 40625, 92495, 177875, 203125, 462475, 889375, 2312375, 4446875, 11561875, 22234375, 57809375, 289046875]

約数ペア:

[(1, 289046875), (5, 57809375), (13, 22234375), (25, 11561875), (65, 4446875), (125, 2312375), (325, 889375), (625, 462475), (1423, 203125), (1625, 177875), (3125, 92495), (7115, 40625), (8125, 35575), (15625, 18499)]