81129295

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{1433}}^1$

素因数の和:1531

約数の個数: 24

約数和(自身を含む): 107068176

約数和(自身を除く): 25938881

約数列:

[1, 5, 13, 65, 67, 169, 335, 845, 871, 1433, 4355, 7165, 11323, 18629, 56615, 93145, 96011, 242177, 480055, 1210885, 1248143, 6240715, 16225859, 81129295]

約数ペア:

[(1, 81129295), (5, 16225859), (13, 6240715), (65, 1248143), (67, 1210885), (169, 480055), (335, 242177), (845, 96011), (871, 93145), (1433, 56615), (4355, 18629), (7165, 11323)]