646768418

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{4139}}^1$

素因数の和:4286

約数の個数: 32

約数和(自身を含む): 1049241600

約数和(自身を除く): 402473182

約数列:

[1, 2, 23, 43, 46, 79, 86, 158, 989, 1817, 1978, 3397, 3634, 4139, 6794, 8278, 78131, 95197, 156262, 177977, 190394, 326981, 355954, 653962, 4093471, 7520563, 8186942, 14060183, 15041126, 28120366, 323384209, 646768418]

約数ペア:

[(1, 646768418), (2, 323384209), (23, 28120366), (43, 15041126), (46, 14060183), (79, 8186942), (86, 7520563), (158, 4093471), (989, 653962), (1817, 355954), (1978, 326981), (3397, 190394), (3634, 177977), (4139, 156262), (6794, 95197), (8278, 78131)]