289880074

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{693493}}^1$

素因数の和:693525

約数の個数: 16

約数和(自身を含む): 499315680

約数和(自身を除く): 209435606

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 693493, 1386986, 7628423, 13176367, 15256846, 26352734, 144940037, 289880074]

約数ペア:

[(1, 289880074), (2, 144940037), (11, 26352734), (19, 15256846), (22, 13176367), (38, 7628423), (209, 1386986), (418, 693493)]