25963418

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:386

約数の個数: 32

約数和(自身を含む): 43609104

約数和(自身を除く): 17645686

約数列:

[1, 2, 13, 26, 37, 74, 137, 197, 274, 394, 481, 962, 1781, 2561, 3562, 5069, 5122, 7289, 10138, 14578, 26989, 53978, 65897, 94757, 131794, 189514, 350857, 701714, 998593, 1997186, 12981709, 25963418]

約数ペア:

[(1, 25963418), (2, 12981709), (13, 1997186), (26, 998593), (37, 701714), (74, 350857), (137, 189514), (197, 131794), (274, 94757), (394, 65897), (481, 53978), (962, 26989), (1781, 14578), (2561, 10138), (3562, 7289), (5069, 5122)]