12991184

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{7883}}^1$

素因数の和:7994

約数の個数: 20

約数和(自身を含む): 25418016

約数和(自身を除く): 12426832

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 7883, 15766, 31532, 63064, 126128, 811949, 1623898, 3247796, 6495592, 12991184]

約数ペア:

[(1, 12991184), (2, 6495592), (4, 3247796), (8, 1623898), (16, 811949), (103, 126128), (206, 63064), (412, 31532), (824, 15766), (1648, 7883)]