28820435

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{2281}}^1$

素因数の和:2331

約数の個数: 24

約数和(自身を含む): 41733216

約数和(自身を除く): 12912781

約数列:

[1, 5, 7, 19, 35, 95, 133, 361, 665, 1805, 2281, 2527, 11405, 12635, 15967, 43339, 79835, 216695, 303373, 823441, 1516865, 4117205, 5764087, 28820435]

約数ペア:

[(1, 28820435), (5, 5764087), (7, 4117205), (19, 1516865), (35, 823441), (95, 303373), (133, 216695), (361, 79835), (665, 43339), (1805, 15967), (2281, 12635), (2527, 11405)]