26389984

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{349}}^1$

素因数の和:515

約数の個数: 48

約数和(自身を含む): 55566000

約数和(自身を除く): 29176016

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 139, 272, 278, 349, 544, 556, 698, 1112, 1396, 2224, 2363, 2792, 4448, 4726, 5584, 5933, 9452, 11168, 11866, 18904, 23732, 37808, 47464, 48511, 75616, 94928, 97022, 189856, 194044, 388088, 776176, 824687, 1552352, 1649374, 3298748, 6597496, 13194992, 26389984]

約数ペア:

[(1, 26389984), (2, 13194992), (4, 6597496), (8, 3298748), (16, 1649374), (17, 1552352), (32, 824687), (34, 776176), (68, 388088), (136, 194044), (139, 189856), (272, 97022), (278, 94928), (349, 75616), (544, 48511), (556, 47464), (698, 37808), (1112, 23732), (1396, 18904), (2224, 11866), (2363, 11168), (2792, 9452), (4448, 5933), (4726, 5584)]