51175805

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 66908160

約数和(自身を除く): 15732355

約数列:

[1, 5, 23, 43, 79, 115, 131, 215, 395, 655, 989, 1817, 3013, 3397, 4945, 5633, 9085, 10349, 15065, 16985, 28165, 51745, 78131, 129559, 238027, 390655, 445007, 647795, 1190135, 2225035, 10235161, 51175805]

約数ペア:

[(1, 51175805), (5, 10235161), (23, 2225035), (43, 1190135), (79, 647795), (115, 445007), (131, 390655), (215, 238027), (395, 129559), (655, 78131), (989, 51745), (1817, 28165), (3013, 16985), (3397, 15065), (4945, 10349), (5633, 9085)]