78671632

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{378229}}^1$

素因数の和:378250

約数の個数: 20

約数和(自身を含む): 164151820

約数和(自身を除く): 85480188

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 378229, 756458, 1512916, 3025832, 4916977, 6051664, 9833954, 19667908, 39335816, 78671632]

約数ペア:

[(1, 78671632), (2, 39335816), (4, 19667908), (8, 9833954), (13, 6051664), (16, 4916977), (26, 3025832), (52, 1512916), (104, 756458), (208, 378229)]