978895

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:234

約数の個数: 16

約数和(自身を含む): 1251360

約数和(自身を除く): 272465

約数列:

[1, 5, 29, 43, 145, 157, 215, 785, 1247, 4553, 6235, 6751, 22765, 33755, 195779, 978895]

約数ペア:

[(1, 978895), (5, 195779), (29, 33755), (43, 22765), (145, 6751), (157, 6235), (215, 4553), (785, 1247)]