386768408

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{195733}}^1$

素因数の和:195771

約数の個数: 32

約数和(自身を含む): 822082800

約数和(自身を除く): 435314392

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 195733, 391466, 782932, 1565864, 2544529, 3718927, 5089058, 7437854, 10178116, 14875708, 20356232, 29751416, 48346051, 96692102, 193384204, 386768408]

約数ペア:

[(1, 386768408), (2, 193384204), (4, 96692102), (8, 48346051), (13, 29751416), (19, 20356232), (26, 14875708), (38, 10178116), (52, 7437854), (76, 5089058), (104, 3718927), (152, 2544529), (247, 1565864), (494, 782932), (988, 391466), (1976, 195733)]