319978464

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{256393}}^1$

素因数の和:256419

約数の個数: 48

約数和(自身を含む): 904558032

約数和(自身を除く): 584579568

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 256393, 512786, 769179, 1025572, 1538358, 2051144, 3076716, 3333109, 4102288, 6153432, 6666218, 8204576, 9999327, 12306864, 13332436, 19998654, 24613728, 26664872, 39997308, 53329744, 79994616, 106659488, 159989232, 319978464]

約数ペア:

[(1, 319978464), (2, 159989232), (3, 106659488), (4, 79994616), (6, 53329744), (8, 39997308), (12, 26664872), (13, 24613728), (16, 19998654), (24, 13332436), (26, 12306864), (32, 9999327), (39, 8204576), (48, 6666218), (52, 6153432), (78, 4102288), (96, 3333109), (104, 3076716), (156, 2051144), (208, 1538358), (312, 1025572), (416, 769179), (624, 512786), (1248, 256393)]