81331024

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{32377}}^1$

素因数の和:32542

約数の個数: 20

約数和(自身を含む): 158587444

約数和(自身を除く): 77256420

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 32377, 64754, 129508, 259016, 518032, 5083189, 10166378, 20332756, 40665512, 81331024]

約数ペア:

[(1, 81331024), (2, 40665512), (4, 20332756), (8, 10166378), (16, 5083189), (157, 518032), (314, 259016), (628, 129508), (1256, 64754), (2512, 32377)]