128762845

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1\times {\mathrm{193}}^1$

素因数の和:429

約数の個数: 32

約数和(自身を含む): 168956928

約数和(自身を除く): 40194083

約数列:

[1, 5, 17, 47, 85, 167, 193, 235, 799, 835, 965, 2839, 3281, 3995, 7849, 9071, 14195, 16405, 32231, 39245, 45355, 133433, 154207, 161155, 547927, 667165, 771035, 1514857, 2739635, 7574285, 25752569, 128762845]

約数ペア:

[(1, 128762845), (5, 25752569), (17, 7574285), (47, 2739635), (85, 1514857), (167, 771035), (193, 667165), (235, 547927), (799, 161155), (835, 154207), (965, 133433), (2839, 45355), (3281, 39245), (3995, 32231), (7849, 16405), (9071, 14195)]