28215245

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{1171}}^1$

素因数の和:1316

約数の個数: 16

約数和(自身を含む): 34878720

約数和(自身を除く): 6663475

約数列:

[1, 5, 61, 79, 305, 395, 1171, 4819, 5855, 24095, 71431, 92509, 357155, 462545, 5643049, 28215245]

約数ペア:

[(1, 28215245), (5, 5643049), (61, 462545), (79, 357155), (305, 92509), (395, 71431), (1171, 24095), (4819, 5855)]