400809994

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{863}}^1\times {\mathrm{17863}}^1$

素因数の和:18741

約数の個数: 16

約数和(自身を含む): 648248832

約数和(自身を除く): 247438838

約数列:

[1, 2, 13, 26, 863, 1726, 11219, 17863, 22438, 35726, 232219, 464438, 15415769, 30831538, 200404997, 400809994]

約数ペア:

[(1, 400809994), (2, 200404997), (13, 30831538), (26, 15415769), (863, 464438), (1726, 232219), (11219, 35726), (17863, 22438)]