28916425

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{727}}^1$

素因数の和:817

約数の個数: 24

約数和(自身を含む): 37733696

約数和(自身を除く): 8817271

約数列:

[1, 5, 25, 37, 43, 185, 215, 727, 925, 1075, 1591, 3635, 7955, 18175, 26899, 31261, 39775, 134495, 156305, 672475, 781525, 1156657, 5783285, 28916425]

約数ペア:

[(1, 28916425), (5, 5783285), (25, 1156657), (37, 781525), (43, 672475), (185, 156305), (215, 134495), (727, 39775), (925, 31261), (1075, 26899), (1591, 18175), (3635, 7955)]