207920999

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{89}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 270254880

約数和(自身を除く): 62333881

約数列:

[1, 11, 13, 17, 31, 89, 143, 187, 221, 341, 403, 527, 961, 979, 1157, 1513, 2431, 2759, 4433, 5797, 6851, 10571, 12493, 12727, 16337, 16643, 19669, 30349, 35867, 46903, 75361, 85529, 137423, 179707, 212381, 216359, 394537, 515933, 609739, 940819, 1111877, 1453993, 2336191, 6707129, 12230647, 15993923, 18901909, 207920999]

約数ペア:

[(1, 207920999), (11, 18901909), (13, 15993923), (17, 12230647), (31, 6707129), (89, 2336191), (143, 1453993), (187, 1111877), (221, 940819), (341, 609739), (403, 515933), (527, 394537), (961, 216359), (979, 212381), (1157, 179707), (1513, 137423), (2431, 85529), (2759, 75361), (4433, 46903), (5797, 35867), (6851, 30349), (10571, 19669), (12493, 16643), (12727, 16337)]