339966016

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{1289}}^1$

素因数の和:1631

約数の個数: 56

約数和(自身を含む): 729371160

約数和(自身を除く): 389405144

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 317, 416, 634, 832, 1268, 1289, 2536, 2578, 4121, 5072, 5156, 8242, 10144, 10312, 16484, 16757, 20288, 20624, 32968, 33514, 41248, 65936, 67028, 82496, 131872, 134056, 263744, 268112, 408613, 536224, 817226, 1072448, 1634452, 3268904, 5311969, 6537808, 10623938, 13075616, 21247876, 26151232, 42495752, 84991504, 169983008, 339966016]

約数ペア:

[(1, 339966016), (2, 169983008), (4, 84991504), (8, 42495752), (13, 26151232), (16, 21247876), (26, 13075616), (32, 10623938), (52, 6537808), (64, 5311969), (104, 3268904), (208, 1634452), (317, 1072448), (416, 817226), (634, 536224), (832, 408613), (1268, 268112), (1289, 263744), (2536, 134056), (2578, 131872), (4121, 82496), (5072, 67028), (5156, 65936), (8242, 41248), (10144, 33514), (10312, 32968), (16484, 20624), (16757, 20288)]