1978001378

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{937}}^1\times {\mathrm{8311}}^1$

素因数の和:9377

約数の個数: 16

約数和(自身を含む): 2993915904

約数和(自身を除く): 1015914526

約数列:

[1, 2, 127, 254, 937, 1874, 8311, 16622, 118999, 237998, 1055497, 2110994, 7787407, 15574814, 989000689, 1978001378]

約数ペア:

[(1, 1978001378), (2, 989000689), (127, 15574814), (254, 7787407), (937, 2110994), (1874, 1055497), (8311, 237998), (16622, 118999)]