28817825

素因数分解:

$5^2\times {\mathrm{101}}^2\times {\mathrm{113}}^1$

素因数の和:325

約数の個数: 18

約数和(自身を含む): 36410802

約数和(自身を除く): 7592977

約数列:

[1, 5, 25, 101, 113, 505, 565, 2525, 2825, 10201, 11413, 51005, 57065, 255025, 285325, 1152713, 5763565, 28817825]

約数ペア:

[(1, 28817825), (5, 5763565), (25, 1152713), (101, 285325), (113, 255025), (505, 57065), (565, 51005), (2525, 11413), (2825, 10201)]