12861556

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{739}}^1$

素因数の和:991

約数の個数: 24

約数和(自身を含む): 23828000

約数和(自身を除く): 10966444

約数列:

[1, 2, 4, 19, 38, 76, 229, 458, 739, 916, 1478, 2956, 4351, 8702, 14041, 17404, 28082, 56164, 169231, 338462, 676924, 3215389, 6430778, 12861556]

約数ペア:

[(1, 12861556), (2, 6430778), (4, 3215389), (19, 676924), (38, 338462), (76, 169231), (229, 56164), (458, 28082), (739, 17404), (916, 14041), (1478, 8702), (2956, 4351)]