91988281

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{2293}}^1$

素因数の和:2832

約数の個数: 16

約数和(自身を含む): 114956928

約数和(自身を除く): 22968647

約数列:

[1, 7, 11, 77, 521, 2293, 3647, 5731, 16051, 25223, 40117, 176561, 1194653, 8362571, 13141183, 91988281]

約数ペア:

[(1, 91988281), (7, 13141183), (11, 8362571), (77, 1194653), (521, 176561), (2293, 40117), (3647, 25223), (5731, 16051)]