201990553915

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{5198573}}^1$

素因数の和:5199006

約数の個数: 16

約数和(自身を含む): 255769840800

約数和(自身を除く): 53779286885

約数列:

[1, 5, 19, 95, 409, 2045, 7771, 38855, 5198573, 25992865, 98772887, 493864435, 2126216357, 10631081785, 40398110783, 201990553915]

約数ペア:

[(1, 201990553915), (5, 40398110783), (19, 10631081785), (95, 2126216357), (409, 493864435), (2045, 98772887), (7771, 25992865), (38855, 5198573)]