81969910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{745181}}^1$

素因数の和:745199

約数の個数: 16

約数和(自身を含む): 160959312

約数和(自身を除く): 78989402

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 745181, 1490362, 3725905, 7451810, 8196991, 16393982, 40984955, 81969910]

約数ペア:

[(1, 81969910), (2, 40984955), (5, 16393982), (10, 8196991), (11, 7451810), (22, 3725905), (55, 1490362), (110, 745181)]