198412345

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{72019}}^1$

素因数の和:72072

約数の個数: 16

約数和(自身を含む): 259272000

約数和(自身を除く): 60859655

約数列:

[1, 5, 19, 29, 95, 145, 551, 2755, 72019, 360095, 1368361, 2088551, 6841805, 10442755, 39682469, 198412345]

約数ペア:

[(1, 198412345), (5, 39682469), (19, 10442755), (29, 6841805), (95, 2088551), (145, 1368361), (551, 360095), (2755, 72019)]