81691144

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{1579}}^1$

素因数の和:1837

約数の個数: 32

約数和(自身を含む): 159264000

約数和(自身を除く): 77572856

約数列:

[1, 2, 4, 8, 29, 58, 116, 223, 232, 446, 892, 1579, 1784, 3158, 6316, 6467, 12632, 12934, 25868, 45791, 51736, 91582, 183164, 352117, 366328, 704234, 1408468, 2816936, 10211393, 20422786, 40845572, 81691144]

約数ペア:

[(1, 81691144), (2, 40845572), (4, 20422786), (8, 10211393), (29, 2816936), (58, 1408468), (116, 704234), (223, 366328), (232, 352117), (446, 183164), (892, 91582), (1579, 51736), (1784, 45791), (3158, 25868), (6316, 12934), (6467, 12632)]