28140865

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{1319}}^1$

素因数の和:1592

約数の個数: 16

約数和(自身を含む): 35925120

約数和(自身を除く): 7784255

約数列:

[1, 5, 17, 85, 251, 1255, 1319, 4267, 6595, 21335, 22423, 112115, 331069, 1655345, 5628173, 28140865]

約数ペア:

[(1, 28140865), (5, 5628173), (17, 1655345), (85, 331069), (251, 112115), (1255, 22423), (1319, 21335), (4267, 6595)]