28009856

素因数分解:

$2^7\times 7^1\times {\mathrm{43}}^1\times {\mathrm{727}}^1$

素因数の和:791

約数の個数: 64

約数和(自身を含む): 65345280

約数和(自身を除く): 37335424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 56, 64, 86, 112, 128, 172, 224, 301, 344, 448, 602, 688, 727, 896, 1204, 1376, 1454, 2408, 2752, 2908, 4816, 5089, 5504, 5816, 9632, 10178, 11632, 19264, 20356, 23264, 31261, 38528, 40712, 46528, 62522, 81424, 93056, 125044, 162848, 218827, 250088, 325696, 437654, 500176, 651392, 875308, 1000352, 1750616, 2000704, 3501232, 4001408, 7002464, 14004928, 28009856]

約数ペア:

[(1, 28009856), (2, 14004928), (4, 7002464), (7, 4001408), (8, 3501232), (14, 2000704), (16, 1750616), (28, 1000352), (32, 875308), (43, 651392), (56, 500176), (64, 437654), (86, 325696), (112, 250088), (128, 218827), (172, 162848), (224, 125044), (301, 93056), (344, 81424), (448, 62522), (602, 46528), (688, 40712), (727, 38528), (896, 31261), (1204, 23264), (1376, 20356), (1454, 19264), (2408, 11632), (2752, 10178), (2908, 9632), (4816, 5816), (5089, 5504)]