2021983145

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{261407}}^1$

素因数の和:261449

約数の個数: 32

約数和(自身を含む): 3161991168

約数和(自身を除く): 1140008023

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 221, 455, 595, 1105, 1547, 7735, 261407, 1307035, 1829849, 3398291, 4443919, 9149245, 16991455, 22219595, 23788037, 31107433, 57770947, 118940185, 155537165, 288854735, 404396629, 2021983145]

約数ペア:

[(1, 2021983145), (5, 404396629), (7, 288854735), (13, 155537165), (17, 118940185), (35, 57770947), (65, 31107433), (85, 23788037), (91, 22219595), (119, 16991455), (221, 9149245), (455, 4443919), (595, 3398291), (1105, 1829849), (1547, 1307035), (7735, 261407)]