81117392

素因数分解:

$2^4\times {\mathrm{389}}^1\times {\mathrm{13033}}^1$

素因数の和:13430

約数の個数: 20

約数和(自身を含む): 157581060

約数和(自身を除く): 76463668

約数列:

[1, 2, 4, 8, 16, 389, 778, 1556, 3112, 6224, 13033, 26066, 52132, 104264, 208528, 5069837, 10139674, 20279348, 40558696, 81117392]

約数ペア:

[(1, 81117392), (2, 40558696), (4, 20279348), (8, 10139674), (16, 5069837), (389, 208528), (778, 104264), (1556, 52132), (3112, 26066), (6224, 13033)]