131676805

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{25643}}^1$

素因数の和:25740

約数の個数: 16

約数和(自身を含む): 172327680

約数和(自身を除く): 40650875

約数列:

[1, 5, 13, 65, 79, 395, 1027, 5135, 25643, 128215, 333359, 1666795, 2025797, 10128985, 26335361, 131676805]

約数ペア:

[(1, 131676805), (5, 26335361), (13, 10128985), (65, 2025797), (79, 1666795), (395, 333359), (1027, 128215), (5135, 25643)]