388289188

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{338231}}^1$

素因数の和:338283

約数の個数: 24

約数和(自身を含む): 795521664

約数和(自身を除く): 407232476

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 338231, 676462, 1352924, 2367617, 4735234, 9470468, 13867471, 27734942, 55469884, 97072297, 194144594, 388289188]

約数ペア:

[(1, 388289188), (2, 194144594), (4, 97072297), (7, 55469884), (14, 27734942), (28, 13867471), (41, 9470468), (82, 4735234), (164, 2367617), (287, 1352924), (574, 676462), (1148, 338231)]