28821401

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1\times {\mathrm{431}}^1$

素因数の和:712

約数の個数: 16

約数和(自身を含む): 33965568

約数和(自身を除く): 5144167

約数列:

[1, 7, 41, 233, 287, 431, 1631, 3017, 9553, 17671, 66871, 100423, 123697, 702961, 4117343, 28821401]

約数ペア:

[(1, 28821401), (7, 4117343), (41, 702961), (233, 123697), (287, 100423), (431, 66871), (1631, 17671), (3017, 9553)]