17985655

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{5393}}^1$

素因数の和:5450

約数の個数: 16

約数和(自身を含む): 23302080

約数和(自身を除く): 5316425

約数列:

[1, 5, 23, 29, 115, 145, 667, 3335, 5393, 26965, 124039, 156397, 620195, 781985, 3597131, 17985655]

約数ペア:

[(1, 17985655), (5, 3597131), (23, 781985), (29, 620195), (115, 156397), (145, 124039), (667, 26965), (3335, 5393)]