661569235

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{28559}}^1$

素因数の和:28718

約数の個数: 16

約数和(自身を含む): 820471680

約数和(自身を除く): 158902445

約数列:

[1, 5, 41, 113, 205, 565, 4633, 23165, 28559, 142795, 1170919, 3227167, 5854595, 16135835, 132313847, 661569235]

約数ペア:

[(1, 661569235), (5, 132313847), (41, 16135835), (113, 5854595), (205, 3227167), (565, 1170919), (4633, 142795), (23165, 28559)]