17689945

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2287}}^1$

素因数の和:2329

約数の個数: 32

約数和(自身を含む): 27675648

約数和(自身を除く): 9985703

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 221, 455, 595, 1105, 1547, 2287, 7735, 11435, 16009, 29731, 38879, 80045, 148655, 194395, 208117, 272153, 505427, 1040585, 1360765, 2527135, 3537989, 17689945]

約数ペア:

[(1, 17689945), (5, 3537989), (7, 2527135), (13, 1360765), (17, 1040585), (35, 505427), (65, 272153), (85, 208117), (91, 194395), (119, 148655), (221, 80045), (455, 38879), (595, 29731), (1105, 16009), (1547, 11435), (2287, 7735)]