257421416

素因数分解:

$2^3\times 7^1\times {\mathrm{607}}^1\times {\mathrm{7573}}^1$

素因数の和:8193

約数の個数: 32

約数和(自身を含む): 552599040

約数和(自身を除く): 295177624

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 607, 1214, 2428, 4249, 4856, 7573, 8498, 15146, 16996, 30292, 33992, 53011, 60584, 106022, 212044, 424088, 4596811, 9193622, 18387244, 32177677, 36774488, 64355354, 128710708, 257421416]

約数ペア:

[(1, 257421416), (2, 128710708), (4, 64355354), (7, 36774488), (8, 32177677), (14, 18387244), (28, 9193622), (56, 4596811), (607, 424088), (1214, 212044), (2428, 106022), (4249, 60584), (4856, 53011), (7573, 33992), (8498, 30292), (15146, 16996)]