642666

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{4657}}^1$

素因数の和:4685

約数の個数: 16

約数和(自身を含む): 1341504

約数和(自身を除く): 698838

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 4657, 9314, 13971, 27942, 107111, 214222, 321333, 642666]

約数ペア:

[(1, 642666), (2, 321333), (3, 214222), (6, 107111), (23, 27942), (46, 13971), (69, 9314), (138, 4657)]