28820185

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{829}}^1$

素因数の和:1260

約数の個数: 16

約数和(自身を含む): 36752400

約数和(自身を除く): 7932215

約数列:

[1, 5, 17, 85, 409, 829, 2045, 4145, 6953, 14093, 34765, 70465, 339061, 1695305, 5764037, 28820185]

約数ペア:

[(1, 28820185), (5, 5764037), (17, 1695305), (85, 339061), (409, 70465), (829, 34765), (2045, 14093), (4145, 6953)]