388631299

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{419}}^1\times {\mathrm{823}}^1$

素因数の和:1279

約数の個数: 24

約数和(自身を含む): 473437440

約数和(自身を除く): 84806141

約数列:

[1, 7, 23, 49, 161, 419, 823, 1127, 2933, 5761, 9637, 18929, 20531, 40327, 67459, 132503, 344837, 472213, 927521, 2413859, 7931251, 16897013, 55518757, 388631299]

約数ペア:

[(1, 388631299), (7, 55518757), (23, 16897013), (49, 7931251), (161, 2413859), (419, 927521), (823, 472213), (1127, 344837), (2933, 132503), (5761, 67459), (9637, 40327), (18929, 20531)]