28123216

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{159791}}^1$

素因数の和:159810

約数の個数: 20

約数和(自身を含む): 59442624

約数和(自身を除く): 31319408

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 159791, 319582, 639164, 1278328, 1757701, 2556656, 3515402, 7030804, 14061608, 28123216]

約数ペア:

[(1, 28123216), (2, 14061608), (4, 7030804), (8, 3515402), (11, 2556656), (16, 1757701), (22, 1278328), (44, 639164), (88, 319582), (176, 159791)]