127283988

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{815923}}^1$

素因数の和:815943

約数の個数: 24

約数和(自身を含む): 319842208

約数和(自身を除く): 192558220

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 815923, 1631846, 2447769, 3263692, 4895538, 9791076, 10606999, 21213998, 31820997, 42427996, 63641994, 127283988]

約数ペア:

[(1, 127283988), (2, 63641994), (3, 42427996), (4, 31820997), (6, 21213998), (12, 10606999), (13, 9791076), (26, 4895538), (39, 3263692), (52, 2447769), (78, 1631846), (156, 815923)]