128237312

素因数分解:

$2^8\times 7^2\times {\mathrm{10223}}^1$

素因数の和:10253

約数の個数: 54

約数和(自身を含む): 297794448

約数和(自身を除く): 169557136

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 784, 896, 1568, 1792, 3136, 6272, 10223, 12544, 20446, 40892, 71561, 81784, 143122, 163568, 286244, 327136, 500927, 572488, 654272, 1001854, 1144976, 1308544, 2003708, 2289952, 2617088, 4007416, 4579904, 8014832, 9159808, 16029664, 18319616, 32059328, 64118656, 128237312]

約数ペア:

[(1, 128237312), (2, 64118656), (4, 32059328), (7, 18319616), (8, 16029664), (14, 9159808), (16, 8014832), (28, 4579904), (32, 4007416), (49, 2617088), (56, 2289952), (64, 2003708), (98, 1308544), (112, 1144976), (128, 1001854), (196, 654272), (224, 572488), (256, 500927), (392, 327136), (448, 286244), (784, 163568), (896, 143122), (1568, 81784), (1792, 71561), (3136, 40892), (6272, 20446), (10223, 12544)]