64840216

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{26927}}^1$

素因数の和:26983

約数の個数: 32

約数和(自身を含む): 142179840

約数和(自身を除く): 77339624

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 26927, 53854, 107708, 188489, 215416, 376978, 753956, 1157861, 1507912, 2315722, 4631444, 8105027, 9262888, 16210054, 32420108, 64840216]

約数ペア:

[(1, 64840216), (2, 32420108), (4, 16210054), (7, 9262888), (8, 8105027), (14, 4631444), (28, 2315722), (43, 1507912), (56, 1157861), (86, 753956), (172, 376978), (301, 215416), (344, 188489), (602, 107708), (1204, 53854), (2408, 26927)]