15978819265

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{2379571}}^1$

素因数の和:2379672

約数の個数: 16

約数和(自身を含む): 20559502080

約数和(自身を除く): 4580682815

約数列:

[1, 5, 17, 79, 85, 395, 1343, 6715, 2379571, 11897855, 40452707, 187986109, 202263535, 939930545, 3195763853, 15978819265]

約数ペア:

[(1, 15978819265), (5, 3195763853), (17, 939930545), (79, 202263535), (85, 187986109), (395, 40452707), (1343, 11897855), (6715, 2379571)]