15803188

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{661}}^1$

素因数の和:847

約数の個数: 24

約数和(自身を含む): 28545440

約数和(自身を除く): 12742252

約数列:

[1, 2, 4, 43, 86, 139, 172, 278, 556, 661, 1322, 2644, 5977, 11954, 23908, 28423, 56846, 91879, 113692, 183758, 367516, 3950797, 7901594, 15803188]

約数ペア:

[(1, 15803188), (2, 7901594), (4, 3950797), (43, 367516), (86, 183758), (139, 113692), (172, 91879), (278, 56846), (556, 28423), (661, 23908), (1322, 11954), (2644, 5977)]