13220665

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1249}}^1$

素因数の和:1356

約数の個数: 16

約数和(自身を含む): 16650000

約数和(自身を除く): 3429335

約数列:

[1, 5, 29, 73, 145, 365, 1249, 2117, 6245, 10585, 36221, 91177, 181105, 455885, 2644133, 13220665]

約数ペア:

[(1, 13220665), (5, 2644133), (29, 455885), (73, 181105), (145, 91177), (365, 36221), (1249, 10585), (2117, 6245)]