12885.0000000

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{487}}^1$

素因数の和:923

約数の個数: 24

約数和(自身を含む): 17298624

約数和(自身を除く): 8277436

約数列:

[1, 2, 4, 11, 22, 44, 421, 487, 842, 974, 1684, 1948, 4631, 5357, 9262, 10714, 18524, 21428, 205027, 410054, 820108, 2255297, 4510594, 9021188]

約数ペア:

[(1, 9021188), (2, 4510594), (4, 2255297), (11, 820108), (22, 410054), (44, 205027), (421, 21428), (487, 18524), (842, 10714), (974, 9262), (1684, 5357), (1948, 4631)]