78670384

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{378223}}^1$

素因数の和:378244

約数の個数: 20

約数和(自身を含む): 164149216

約数和(自身を除く): 85478832

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 378223, 756446, 1512892, 3025784, 4916899, 6051568, 9833798, 19667596, 39335192, 78670384]

約数ペア:

[(1, 78670384), (2, 39335192), (4, 19667596), (8, 9833798), (13, 6051568), (16, 4916899), (26, 3025784), (52, 1512892), (104, 756446), (208, 378223)]