12831575

素因数分解:

$5^2\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:251

約数の個数: 24

約数和(自身を含む): 16516800

約数和(自身を除く): 3685225

約数列:

[1, 5, 25, 73, 79, 89, 365, 395, 445, 1825, 1975, 2225, 5767, 6497, 7031, 28835, 32485, 35155, 144175, 162425, 175775, 513263, 2566315, 12831575]

約数ペア:

[(1, 12831575), (5, 2566315), (25, 513263), (73, 175775), (79, 162425), (89, 144175), (365, 35155), (395, 32485), (445, 28835), (1825, 7031), (1975, 6497), (2225, 5767)]