8221904

素因数分解:

$2^4\times {\mathrm{389}}^1\times {\mathrm{1321}}^1$

素因数の和:1718

約数の個数: 20

約数和(自身を含む): 15982980

約数和(自身を除く): 7761076

約数列:

[1, 2, 4, 8, 16, 389, 778, 1321, 1556, 2642, 3112, 5284, 6224, 10568, 21136, 513869, 1027738, 2055476, 4110952, 8221904]

約数ペア:

[(1, 8221904), (2, 4110952), (4, 2055476), (8, 1027738), (16, 513869), (389, 21136), (778, 10568), (1321, 6224), (1556, 5284), (2642, 3112)]