16643984

素因数分解:

$2^4\times 7^1\times {\mathrm{173}}^1\times {\mathrm{859}}^1$

素因数の和:1047

約数の個数: 40

約数和(自身を含む): 37110720

約数和(自身を除く): 20466736

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 173, 346, 692, 859, 1211, 1384, 1718, 2422, 2768, 3436, 4844, 6013, 6872, 9688, 12026, 13744, 19376, 24052, 48104, 96208, 148607, 297214, 594428, 1040249, 1188856, 2080498, 2377712, 4160996, 8321992, 16643984]

約数ペア:

[(1, 16643984), (2, 8321992), (4, 4160996), (7, 2377712), (8, 2080498), (14, 1188856), (16, 1040249), (28, 594428), (56, 297214), (112, 148607), (173, 96208), (346, 48104), (692, 24052), (859, 19376), (1211, 13744), (1384, 12026), (1718, 9688), (2422, 6872), (2768, 6013), (3436, 4844)]