81247656

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{563}}^1\times {\mathrm{859}}^1$

素因数の和:1438

約数の個数: 64

約数和(自身を含む): 232819200

約数和(自身を除く): 151571544

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 563, 859, 1126, 1689, 1718, 2252, 2577, 3378, 3436, 3941, 4504, 5154, 6013, 6756, 6872, 7882, 10308, 11823, 12026, 13512, 15764, 18039, 20616, 23646, 24052, 31528, 36078, 47292, 48104, 72156, 94584, 144312, 483617, 967234, 1450851, 1934468, 2901702, 3385319, 3868936, 5803404, 6770638, 10155957, 11606808, 13541276, 20311914, 27082552, 40623828, 81247656]

約数ペア:

[(1, 81247656), (2, 40623828), (3, 27082552), (4, 20311914), (6, 13541276), (7, 11606808), (8, 10155957), (12, 6770638), (14, 5803404), (21, 3868936), (24, 3385319), (28, 2901702), (42, 1934468), (56, 1450851), (84, 967234), (168, 483617), (563, 144312), (859, 94584), (1126, 72156), (1689, 48104), (1718, 47292), (2252, 36078), (2577, 31528), (3378, 24052), (3436, 23646), (3941, 20616), (4504, 18039), (5154, 15764), (6013, 13512), (6756, 12026), (6872, 11823), (7882, 10308)]