257511192

素因数分解:

$2^3\times 3^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1\times {\mathrm{569}}^1$

素因数の和:860

約数の個数: 64

約数和(自身を含む): 654588000

約数和(自身を除く): 397076808

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 109, 173, 218, 327, 346, 436, 519, 569, 654, 692, 872, 1038, 1138, 1308, 1384, 1707, 2076, 2276, 2616, 3414, 4152, 4552, 6828, 13656, 18857, 37714, 56571, 62021, 75428, 98437, 113142, 124042, 150856, 186063, 196874, 226284, 248084, 295311, 372126, 393748, 452568, 496168, 590622, 744252, 787496, 1181244, 1488504, 2362488, 10729633, 21459266, 32188899, 42918532, 64377798, 85837064, 128755596, 257511192]

約数ペア:

[(1, 257511192), (2, 128755596), (3, 85837064), (4, 64377798), (6, 42918532), (8, 32188899), (12, 21459266), (24, 10729633), (109, 2362488), (173, 1488504), (218, 1181244), (327, 787496), (346, 744252), (436, 590622), (519, 496168), (569, 452568), (654, 393748), (692, 372126), (872, 295311), (1038, 248084), (1138, 226284), (1308, 196874), (1384, 186063), (1707, 150856), (2076, 124042), (2276, 113142), (2616, 98437), (3414, 75428), (4152, 62021), (4552, 56571), (6828, 37714), (13656, 18857)]