81566864

素因数分解:

$2^4\times {\mathrm{379}}^1\times {\mathrm{13451}}^1$

素因数の和:13838

約数の個数: 20

約数和(自身を含む): 158464560

約数和(自身を除く): 76897696

約数列:

[1, 2, 4, 8, 16, 379, 758, 1516, 3032, 6064, 13451, 26902, 53804, 107608, 215216, 5097929, 10195858, 20391716, 40783432, 81566864]

約数ペア:

[(1, 81566864), (2, 40783432), (4, 20391716), (8, 10195858), (16, 5097929), (379, 215216), (758, 107608), (1516, 53804), (3032, 26902), (6064, 13451)]