28500521

素因数分解:

$7^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1\times {\mathrm{263}}^1$

素因数の和:520

約数の個数: 16

約数和(自身を含む): 33225984

約数和(自身を除く): 4725463

約数列:

[1, 7, 113, 137, 263, 791, 959, 1841, 15481, 29719, 36031, 108367, 208033, 252217, 4071503, 28500521]

約数ペア:

[(1, 28500521), (7, 4071503), (113, 252217), (137, 208033), (263, 108367), (791, 36031), (959, 29719), (1841, 15481)]