64642004

素因数分解:

$2^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{11719}}^1$

素因数の和:11927

約数の個数: 24

約数和(自身を含む): 129951360

約数和(自身を除く): 65309356

約数列:

[1, 2, 4, 7, 14, 28, 197, 394, 788, 1379, 2758, 5516, 11719, 23438, 46876, 82033, 164066, 328132, 2308643, 4617286, 9234572, 16160501, 32321002, 64642004]

約数ペア:

[(1, 64642004), (2, 32321002), (4, 16160501), (7, 9234572), (14, 4617286), (28, 2308643), (197, 328132), (394, 164066), (788, 82033), (1379, 46876), (2758, 23438), (5516, 11719)]