78879905

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{277}}^1\times {\mathrm{337}}^1$

素因数の和:645

約数の個数: 24

約数和(自身を含む): 103172472

約数和(自身を除く): 24292567

約数列:

[1, 5, 13, 65, 169, 277, 337, 845, 1385, 1685, 3601, 4381, 18005, 21905, 46813, 56953, 93349, 234065, 284765, 466745, 1213537, 6067685, 15775981, 78879905]

約数ペア:

[(1, 78879905), (5, 15775981), (13, 6067685), (65, 1213537), (169, 466745), (277, 284765), (337, 234065), (845, 93349), (1385, 56953), (1685, 46813), (3601, 21905), (4381, 18005)]