81276128

素因数分解:

$2^5\times {\mathrm{1217}}^1\times {\mathrm{2087}}^1$

素因数の和:3314

約数の個数: 24

約数和(自身を含む): 160220592

約数和(自身を除く): 78944464

約数列:

[1, 2, 4, 8, 16, 32, 1217, 2087, 2434, 4174, 4868, 8348, 9736, 16696, 19472, 33392, 38944, 66784, 2539879, 5079758, 10159516, 20319032, 40638064, 81276128]

約数ペア:

[(1, 81276128), (2, 40638064), (4, 20319032), (8, 10159516), (16, 5079758), (32, 2539879), (1217, 66784), (2087, 38944), (2434, 33392), (4174, 19472), (4868, 16696), (8348, 9736)]