15881245

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{479}}^1$

素因数の和:852

約数の個数: 16

約数和(自身を含む): 20160000

約数和(自身を除く): 4278755

約数列:

[1, 5, 19, 95, 349, 479, 1745, 2395, 6631, 9101, 33155, 45505, 167171, 835855, 3176249, 15881245]

約数ペア:

[(1, 15881245), (5, 3176249), (19, 835855), (95, 167171), (349, 45505), (479, 33155), (1745, 9101), (2395, 6631)]