128438466

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1646647}}^1$

素因数の和:1646665

約数の個数: 16

約数和(自身を含む): 276636864

約数和(自身を除く): 148198398

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 1646647, 3293294, 4939941, 9879882, 21406411, 42812822, 64219233, 128438466]

約数ペア:

[(1, 128438466), (2, 64219233), (3, 42812822), (6, 21406411), (13, 9879882), (26, 4939941), (39, 3293294), (78, 1646647)]