866125

素因数分解:

$5^3\times {\mathrm{13}}^2\times {\mathrm{41}}^1$

素因数の和:82

約数の個数: 24

約数和(自身を含む): 1199016

約数和(自身を除く): 332891

約数列:

[1, 5, 13, 25, 41, 65, 125, 169, 205, 325, 533, 845, 1025, 1625, 2665, 4225, 5125, 6929, 13325, 21125, 34645, 66625, 173225, 866125]

約数ペア:

[(1, 866125), (5, 173225), (13, 66625), (25, 34645), (41, 21125), (65, 13325), (125, 6929), (169, 5125), (205, 4225), (325, 2665), (533, 1625), (845, 1025)]