28245265

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{3109}}^1$

素因数の和:3216

約数の個数: 16

約数和(自身を含む): 35827200

約数和(自身を除く): 7581935

約数列:

[1, 5, 23, 79, 115, 395, 1817, 3109, 9085, 15545, 71507, 245611, 357535, 1228055, 5649053, 28245265]

約数ペア:

[(1, 28245265), (5, 5649053), (23, 1228055), (79, 357535), (115, 245611), (395, 71507), (1817, 15545), (3109, 9085)]