51781565

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{22963}}^1$

素因数の和:23020

約数の個数: 16

約数和(自身を含む): 69443136

約数和(自身を除く): 17661571

約数列:

[1, 5, 11, 41, 55, 205, 451, 2255, 22963, 114815, 252593, 941483, 1262965, 4707415, 10356313, 51781565]

約数ペア:

[(1, 51781565), (5, 10356313), (11, 4707415), (41, 1262965), (55, 941483), (205, 252593), (451, 114815), (2255, 22963)]