321491712

素因数分解:

$2^8\times 3^1\times {\mathrm{647}}^2$

素因数の和:1313

約数の個数: 54

約数和(自身を含む): 856961308

約数和(自身を除く): 535469596

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 647, 768, 1294, 1941, 2588, 3882, 5176, 7764, 10352, 15528, 20704, 31056, 41408, 62112, 82816, 124224, 165632, 248448, 418609, 496896, 837218, 1255827, 1674436, 2511654, 3348872, 5023308, 6697744, 10046616, 13395488, 20093232, 26790976, 40186464, 53581952, 80372928, 107163904, 160745856, 321491712]

約数ペア:

[(1, 321491712), (2, 160745856), (3, 107163904), (4, 80372928), (6, 53581952), (8, 40186464), (12, 26790976), (16, 20093232), (24, 13395488), (32, 10046616), (48, 6697744), (64, 5023308), (96, 3348872), (128, 2511654), (192, 1674436), (256, 1255827), (384, 837218), (647, 496896), (768, 418609), (1294, 248448), (1941, 165632), (2588, 124224), (3882, 82816), (5176, 62112), (7764, 41408), (10352, 31056), (15528, 20704)]