81759458

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{131}}^1\times {\mathrm{2579}}^1$

素因数の和:2734

約数の個数: 24

約数和(自身を含む): 135883440

約数和(自身を除く): 54123982

約数列:

[1, 2, 11, 22, 121, 131, 242, 262, 1441, 2579, 2882, 5158, 15851, 28369, 31702, 56738, 312059, 337849, 624118, 675698, 3716339, 7432678, 40879729, 81759458]

約数ペア:

[(1, 81759458), (2, 40879729), (11, 7432678), (22, 3716339), (121, 675698), (131, 624118), (242, 337849), (262, 312059), (1441, 56738), (2579, 31702), (2882, 28369), (5158, 15851)]