28907965

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1\times {\mathrm{443}}^1$

素因数の和:900

約数の個数: 16

約数和(自身を含む): 35974656

約数和(自身を除く): 7066691

約数列:

[1, 5, 31, 155, 421, 443, 2105, 2215, 13051, 13733, 65255, 68665, 186503, 932515, 5781593, 28907965]

約数ペア:

[(1, 28907965), (5, 5781593), (31, 932515), (155, 186503), (421, 68665), (443, 65255), (2105, 13733), (2215, 13051)]