199647968

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{11161}}^1$

素因数の和:11227

約数の個数: 48

約数和(自身を含む): 433174896

約数和(自身を除く): 233526928

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 86, 104, 172, 208, 344, 416, 559, 688, 1118, 1376, 2236, 4472, 8944, 11161, 17888, 22322, 44644, 89288, 145093, 178576, 290186, 357152, 479923, 580372, 959846, 1160744, 1919692, 2321488, 3839384, 4642976, 6238999, 7678768, 12477998, 15357536, 24955996, 49911992, 99823984, 199647968]

約数ペア:

[(1, 199647968), (2, 99823984), (4, 49911992), (8, 24955996), (13, 15357536), (16, 12477998), (26, 7678768), (32, 6238999), (43, 4642976), (52, 3839384), (86, 2321488), (104, 1919692), (172, 1160744), (208, 959846), (344, 580372), (416, 479923), (559, 357152), (688, 290186), (1118, 178576), (1376, 145093), (2236, 89288), (4472, 44644), (8944, 22322), (11161, 17888)]