64644970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{497269}}^1$

素因数の和:497289

約数の個数: 16

約数和(自身を含む): 125312040

約数和(自身を除く): 60667070

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 497269, 994538, 2486345, 4972690, 6464497, 12928994, 32322485, 64644970]

約数ペア:

[(1, 64644970), (2, 32322485), (5, 12928994), (10, 6464497), (13, 4972690), (26, 2486345), (65, 994538), (130, 497269)]