81289078

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{19181}}^1$

素因数の和:19359

約数の個数: 16

約数和(自身を含む): 132125616

約数和(自身を除く): 50836538

約数列:

[1, 2, 13, 26, 163, 326, 2119, 4238, 19181, 38362, 249353, 498706, 3126503, 6253006, 40644539, 81289078]

約数ペア:

[(1, 81289078), (2, 40644539), (13, 6253006), (26, 3126503), (163, 498706), (326, 249353), (2119, 38362), (4238, 19181)]