12986468

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{4157}}^1$

素因数の和:4243

約数の個数: 24

約数和(自身を含む): 25147584

約数和(自身を除く): 12161116

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 4157, 8314, 16628, 45727, 91454, 182908, 295147, 590294, 1180588, 3246617, 6493234, 12986468]

約数ペア:

[(1, 12986468), (2, 6493234), (4, 3246617), (11, 1180588), (22, 590294), (44, 295147), (71, 182908), (142, 91454), (284, 45727), (781, 16628), (1562, 8314), (3124, 4157)]