28759864

素因数分解:

$2^3\times 7^3\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:297

約数の個数: 64

約数和(自身を含む): 64512000

約数和(自身を除く): 35752136

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 49, 56, 94, 98, 188, 196, 223, 329, 343, 376, 392, 446, 658, 686, 892, 1316, 1372, 1561, 1784, 2303, 2632, 2744, 3122, 4606, 6244, 9212, 10481, 10927, 12488, 16121, 18424, 20962, 21854, 32242, 41924, 43708, 64484, 73367, 76489, 83848, 87416, 128968, 146734, 152978, 293468, 305956, 513569, 586936, 611912, 1027138, 2054276, 3594983, 4108552, 7189966, 14379932, 28759864]

約数ペア:

[(1, 28759864), (2, 14379932), (4, 7189966), (7, 4108552), (8, 3594983), (14, 2054276), (28, 1027138), (47, 611912), (49, 586936), (56, 513569), (94, 305956), (98, 293468), (188, 152978), (196, 146734), (223, 128968), (329, 87416), (343, 83848), (376, 76489), (392, 73367), (446, 64484), (658, 43708), (686, 41924), (892, 32242), (1316, 21854), (1372, 20962), (1561, 18424), (1784, 16121), (2303, 12488), (2632, 10927), (2744, 10481), (3122, 9212), (4606, 6244)]