28009408

素因数分解:

$2^6\times 7^1\times {\mathrm{103}}^1\times {\mathrm{607}}^1$

素因数の和:729

約数の個数: 56

約数和(自身を含む): 64243712

約数和(自身を除く): 36234304

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 103, 112, 206, 224, 412, 448, 607, 721, 824, 1214, 1442, 1648, 2428, 2884, 3296, 4249, 4856, 5768, 6592, 8498, 9712, 11536, 16996, 19424, 23072, 33992, 38848, 46144, 62521, 67984, 125042, 135968, 250084, 271936, 437647, 500168, 875294, 1000336, 1750588, 2000672, 3501176, 4001344, 7002352, 14004704, 28009408]

約数ペア:

[(1, 28009408), (2, 14004704), (4, 7002352), (7, 4001344), (8, 3501176), (14, 2000672), (16, 1750588), (28, 1000336), (32, 875294), (56, 500168), (64, 437647), (103, 271936), (112, 250084), (206, 135968), (224, 125042), (412, 67984), (448, 62521), (607, 46144), (721, 38848), (824, 33992), (1214, 23072), (1442, 19424), (1648, 16996), (2428, 11536), (2884, 9712), (3296, 8498), (4249, 6592), (4856, 5768)]