2147878

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{881}}^1$

素因数の和:959

約数の個数: 16

約数和(自身を含む): 3429216

約数和(自身を除く): 1281338

約数列:

[1, 2, 23, 46, 53, 106, 881, 1219, 1762, 2438, 20263, 40526, 46693, 93386, 1073939, 2147878]

約数ペア:

[(1, 2147878), (2, 1073939), (23, 93386), (46, 46693), (53, 40526), (106, 20263), (881, 2438), (1219, 1762)]