78906775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{463}}^1$

素因数の和:891

約数の個数: 24

約数和(自身を含む): 104082624

約数和(自身を除く): 25175849

約数列:

[1, 5, 17, 25, 85, 401, 425, 463, 2005, 2315, 6817, 7871, 10025, 11575, 34085, 39355, 170425, 185663, 196775, 928315, 3156271, 4641575, 15781355, 78906775]

約数ペア:

[(1, 78906775), (5, 15781355), (17, 4641575), (25, 3156271), (85, 928315), (401, 196775), (425, 185663), (463, 170425), (2005, 39355), (2315, 34085), (6817, 11575), (7871, 10025)]