557120005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{504181}}^1$

素因数の和:504216

約数の個数: 16

約数和(自身を含む): 762323184

約数和(自身を除く): 205203179

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 504181, 2520905, 6554353, 8571077, 32771765, 42855385, 111424001, 557120005]

約数ペア:

[(1, 557120005), (5, 111424001), (13, 42855385), (17, 32771765), (65, 8571077), (85, 6554353), (221, 2520905), (1105, 504181)]