12897874

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{223}}^1\times {\mathrm{239}}^1$

素因数の和:486

約数の個数: 24

約数和(自身を含む): 21450240

約数和(自身を除く): 8552366

約数列:

[1, 2, 11, 22, 121, 223, 239, 242, 446, 478, 2453, 2629, 4906, 5258, 26983, 28919, 53297, 53966, 57838, 106594, 586267, 1172534, 6448937, 12897874]

約数ペア:

[(1, 12897874), (2, 6448937), (11, 1172534), (22, 586267), (121, 106594), (223, 57838), (239, 53966), (242, 53297), (446, 28919), (478, 26983), (2453, 5258), (2629, 4906)]