217161757

素因数分解:

${\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{1667}}^1$

素因数の和:1860

約数の個数: 16

約数和(自身を含む): 235388160

約数和(自身を除く): 18226403

約数列:

[1, 17, 79, 97, 1343, 1649, 1667, 7663, 28339, 130271, 131693, 161699, 2238781, 2748883, 12774221, 217161757]

約数ペア:

[(1, 217161757), (17, 12774221), (79, 2748883), (97, 2238781), (1343, 161699), (1649, 131693), (1667, 130271), (7663, 28339)]