28201657

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:213

約数の個数: 32

約数和(自身を含む): 34836480

約数和(自身を除く): 6634823

約数列:

[1, 11, 17, 23, 79, 83, 187, 253, 391, 869, 913, 1343, 1411, 1817, 1909, 4301, 6557, 14773, 15521, 19987, 20999, 30889, 32453, 72127, 111469, 150811, 339779, 356983, 1226159, 1658921, 2563787, 28201657]

約数ペア:

[(1, 28201657), (11, 2563787), (17, 1658921), (23, 1226159), (79, 356983), (83, 339779), (187, 150811), (253, 111469), (391, 72127), (869, 32453), (913, 30889), (1343, 20999), (1411, 19987), (1817, 15521), (1909, 14773), (4301, 6557)]