28070416

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{159491}}^1$

素因数の和:159510

約数の個数: 20

約数和(自身を含む): 59331024

約数和(自身を除く): 31260608

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 159491, 318982, 637964, 1275928, 1754401, 2551856, 3508802, 7017604, 14035208, 28070416]

約数ペア:

[(1, 28070416), (2, 14035208), (4, 7017604), (8, 3508802), (11, 2551856), (16, 1754401), (22, 1275928), (44, 637964), (88, 318982), (176, 159491)]