12689996

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{157}}^1\times {\mathrm{167}}^1$

素因数の和:350

約数の個数: 36

約数和(自身を含む): 24712464

約数和(自身を除く): 12022468

約数列:

[1, 2, 4, 11, 22, 44, 121, 157, 167, 242, 314, 334, 484, 628, 668, 1727, 1837, 3454, 3674, 6908, 7348, 18997, 20207, 26219, 37994, 40414, 52438, 75988, 80828, 104876, 288409, 576818, 1153636, 3172499, 6344998, 12689996]

約数ペア:

[(1, 12689996), (2, 6344998), (4, 3172499), (11, 1153636), (22, 576818), (44, 288409), (121, 104876), (157, 80828), (167, 75988), (242, 52438), (314, 40414), (334, 37994), (484, 26219), (628, 20207), (668, 18997), (1727, 7348), (1837, 6908), (3454, 3674)]