81165776

素因数分解:

$2^4\times {\mathrm{337}}^1\times {\mathrm{15053}}^1$

素因数の和:15398

約数の個数: 20

約数和(自身を含む): 157735812

約数和(自身を除く): 76570036

約数列:

[1, 2, 4, 8, 16, 337, 674, 1348, 2696, 5392, 15053, 30106, 60212, 120424, 240848, 5072861, 10145722, 20291444, 40582888, 81165776]

約数ペア:

[(1, 81165776), (2, 40582888), (4, 20291444), (8, 10145722), (16, 5072861), (337, 240848), (674, 120424), (1348, 60212), (2696, 30106), (5392, 15053)]