255961916

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{294887}}^1$

素因数の和:294929

約数の個数: 24

約数和(自身を含む): 528439296

約数和(自身を除く): 272477380

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 294887, 589774, 1179548, 2064209, 4128418, 8256836, 9141497, 18282994, 36565988, 63990479, 127980958, 255961916]

約数ペア:

[(1, 255961916), (2, 127980958), (4, 63990479), (7, 36565988), (14, 18282994), (28, 9141497), (31, 8256836), (62, 4128418), (124, 2064209), (217, 1179548), (434, 589774), (868, 294887)]