15131552455

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{20441}}^1$

素因数の和:20667

約数の個数: 32

約数和(自身を含む): 19534048128

約数和(自身を除く): 4402495673

約数列:

[1, 5, 23, 41, 115, 157, 205, 785, 943, 3611, 4715, 6437, 18055, 20441, 32185, 102205, 148051, 470143, 740255, 838081, 2350715, 3209237, 4190405, 16046185, 19275863, 73812451, 96379315, 131578717, 369062255, 657893585, 3026310491, 15131552455]

約数ペア:

[(1, 15131552455), (5, 3026310491), (23, 657893585), (41, 369062255), (115, 131578717), (157, 96379315), (205, 73812451), (785, 19275863), (943, 16046185), (3611, 4190405), (4715, 3209237), (6437, 2350715), (18055, 838081), (20441, 740255), (32185, 470143), (102205, 148051)]