31278482

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:314

約数の個数: 32

約数和(自身を含む): 50782464

約数和(自身を除く): 19503982

約数列:

[1, 2, 23, 46, 61, 71, 122, 142, 157, 314, 1403, 1633, 2806, 3266, 3611, 4331, 7222, 8662, 9577, 11147, 19154, 22294, 99613, 199226, 220271, 256381, 440542, 512762, 679967, 1359934, 15639241, 31278482]

約数ペア:

[(1, 31278482), (2, 15639241), (23, 1359934), (46, 679967), (61, 512762), (71, 440542), (122, 256381), (142, 220271), (157, 199226), (314, 99613), (1403, 22294), (1633, 19154), (2806, 11147), (3266, 9577), (3611, 8662), (4331, 7222)]