490143745

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{63367}}^1$

素因数の和:63409

約数の個数: 32

約数和(自身を含む): 766499328

約数和(自身を除く): 276355583

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 221, 455, 595, 1105, 1547, 7735, 63367, 316835, 443569, 823771, 1077239, 2217845, 4118855, 5386195, 5766397, 7540673, 14004107, 28831985, 37703365, 70020535, 98028749, 490143745]

約数ペア:

[(1, 490143745), (5, 98028749), (7, 70020535), (13, 37703365), (17, 28831985), (35, 14004107), (65, 7540673), (85, 5766397), (91, 5386195), (119, 4118855), (221, 2217845), (455, 1077239), (595, 823771), (1105, 443569), (1547, 316835), (7735, 63367)]