201988157

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{21647}}^1$

素因数の和:21728

約数の個数: 16

約数和(自身を含む): 243843072

約数和(自身を除く): 41854915

約数列:

[1, 7, 31, 43, 217, 301, 1333, 9331, 21647, 151529, 671057, 930821, 4697399, 6515747, 28855451, 201988157]

約数ペア:

[(1, 201988157), (7, 28855451), (31, 6515747), (43, 4697399), (217, 930821), (301, 671057), (1333, 151529), (9331, 21647)]