201644905

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{30809}}^1$

素因数の和:30849

約数の個数: 32

約数和(自身を含む): 319438080

約数和(自身を除く): 117793175

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 187, 385, 595, 935, 1309, 6545, 30809, 154045, 215663, 338899, 523753, 1078315, 1694495, 2372293, 2618765, 3666271, 5761283, 11861465, 18331355, 28806415, 40328981, 201644905]

約数ペア:

[(1, 201644905), (5, 40328981), (7, 28806415), (11, 18331355), (17, 11861465), (35, 5761283), (55, 3666271), (77, 2618765), (85, 2372293), (119, 1694495), (187, 1078315), (385, 523753), (595, 338899), (935, 215663), (1309, 154045), (6545, 30809)]