397996924

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{27631}}^1$

素因数の和:27925

約数の個数: 24

約数和(自身を含む): 752806208

約数和(自身を除く): 354809284

約数列:

[1, 2, 4, 13, 26, 52, 277, 554, 1108, 3601, 7202, 14404, 27631, 55262, 110524, 359203, 718406, 1436812, 7653787, 15307574, 30615148, 99499231, 198998462, 397996924]

約数ペア:

[(1, 397996924), (2, 198998462), (4, 99499231), (13, 30615148), (26, 15307574), (52, 7653787), (277, 1436812), (554, 718406), (1108, 359203), (3601, 110524), (7202, 55262), (14404, 27631)]