28305276

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{499}}^1$

素因数の和:698

約数の個数: 48

約数和(自身を含む): 68880000

約数和(自身を除く): 40574724

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 87, 116, 163, 174, 326, 348, 489, 499, 652, 978, 998, 1497, 1956, 1996, 2994, 4727, 5988, 9454, 14181, 14471, 18908, 28362, 28942, 43413, 56724, 57884, 81337, 86826, 162674, 173652, 244011, 325348, 488022, 976044, 2358773, 4717546, 7076319, 9435092, 14152638, 28305276]

約数ペア:

[(1, 28305276), (2, 14152638), (3, 9435092), (4, 7076319), (6, 4717546), (12, 2358773), (29, 976044), (58, 488022), (87, 325348), (116, 244011), (163, 173652), (174, 162674), (326, 86826), (348, 81337), (489, 57884), (499, 56724), (652, 43413), (978, 28942), (998, 28362), (1497, 18908), (1956, 14471), (1996, 14181), (2994, 9454), (4727, 5988)]