398168310958

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{20826881}}^1$

素因数の和:20826984

約数の個数: 24

約数和(自身を含む): 664794073440

約数和(自身を除く): 266625762482

約数列:

[1, 2, 11, 22, 79, 121, 158, 242, 869, 1738, 9559, 19118, 20826881, 41653762, 229095691, 458191382, 1645323599, 2520052601, 3290647198, 5040105202, 18098559589, 36197119178, 199084155479, 398168310958]

約数ペア:

[(1, 398168310958), (2, 199084155479), (11, 36197119178), (22, 18098559589), (79, 5040105202), (121, 3290647198), (158, 2520052601), (242, 1645323599), (869, 458191382), (1738, 229095691), (9559, 41653762), (19118, 20826881)]