31089565

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{7841}}^1$

素因数の和:7920

約数の個数: 16

約数和(自身を含む): 40841136

約数和(自身を除く): 9751571

約数列:

[1, 5, 13, 61, 65, 305, 793, 3965, 7841, 39205, 101933, 478301, 509665, 2391505, 6217913, 31089565]

約数ペア:

[(1, 31089565), (5, 6217913), (13, 2391505), (61, 509665), (65, 478301), (305, 101933), (793, 39205), (3965, 7841)]