16778201

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:181

約数の個数: 32

約数和(自身を含む): 20901888

約数和(自身を除く): 4123687

約数列:

[1, 11, 17, 23, 47, 83, 187, 253, 391, 517, 799, 913, 1081, 1411, 1909, 3901, 4301, 8789, 11891, 15521, 18377, 20999, 32453, 42911, 66317, 89723, 202147, 356983, 729487, 986953, 1525291, 16778201]

約数ペア:

[(1, 16778201), (11, 1525291), (17, 986953), (23, 729487), (47, 356983), (83, 202147), (187, 89723), (253, 66317), (391, 42911), (517, 32453), (799, 20999), (913, 18377), (1081, 15521), (1411, 11891), (1909, 8789), (3901, 4301)]