72809855

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{4157}}^1$

素因数の和:4306

約数の個数: 16

約数和(自身を含む): 91010304

約数和(自身を除く): 18200449

約数列:

[1, 5, 31, 113, 155, 565, 3503, 4157, 17515, 20785, 128867, 469741, 644335, 2348705, 14561971, 72809855]

約数ペア:

[(1, 72809855), (5, 14561971), (31, 2348705), (113, 644335), (155, 469741), (565, 128867), (3503, 20785), (4157, 17515)]