639920357999

素因数分解:

${\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{359}}^1\times {\mathrm{1046687}}^1$

素因数の和:1047190

約数の個数: 16

約数和(自身を含む): 696340592640

約数和(自身を除く): 56420234641

約数列:

[1, 13, 131, 359, 1703, 4667, 47029, 611377, 1046687, 13606931, 137115997, 375760633, 1782507961, 4884888229, 49224642923, 639920357999]

約数ペア:

[(1, 639920357999), (13, 49224642923), (131, 4884888229), (359, 1782507961), (1703, 375760633), (4667, 137115997), (47029, 13606931), (611377, 1046687)]