13239005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{11981}}^1$

素因数の和:12016

約数の個数: 16

約数和(自身を含む): 18116784

約数和(自身を除く): 4877779

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 11981, 59905, 155753, 203677, 778765, 1018385, 2647801, 13239005]

約数ペア:

[(1, 13239005), (5, 2647801), (13, 1018385), (17, 778765), (65, 203677), (85, 155753), (221, 59905), (1105, 11981)]