28104085

素因数分解:

$5^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1\times {\mathrm{401}}^1$

素因数の和:644

約数の個数: 16

約数和(自身を含む): 34385472

約数和(自身を除く): 6281387

約数列:

[1, 5, 107, 131, 401, 535, 655, 2005, 14017, 42907, 52531, 70085, 214535, 262655, 5620817, 28104085]

約数ペア:

[(1, 28104085), (5, 5620817), (107, 262655), (131, 214535), (401, 70085), (535, 52531), (655, 42907), (2005, 14017)]