13390985

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{613}}^1$

素因数の和:892

約数の個数: 16

約数和(自身を含む): 17108496

約数和(自身を除く): 3717511

約数列:

[1, 5, 17, 85, 257, 613, 1285, 3065, 4369, 10421, 21845, 52105, 157541, 787705, 2678197, 13390985]

約数ペア:

[(1, 13390985), (5, 2678197), (17, 787705), (85, 157541), (257, 52105), (613, 21845), (1285, 10421), (3065, 4369)]