28279075

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 42425856

約数和(自身を除く): 14146781

約数列:

[1, 5, 11, 17, 23, 25, 55, 85, 115, 187, 253, 263, 275, 391, 425, 575, 935, 1265, 1315, 1955, 2893, 4301, 4471, 4675, 6049, 6325, 6575, 9775, 14465, 21505, 22355, 30245, 49181, 66539, 72325, 102833, 107525, 111775, 151225, 245905, 332695, 514165, 1131163, 1229525, 1663475, 2570825, 5655815, 28279075]

約数ペア:

[(1, 28279075), (5, 5655815), (11, 2570825), (17, 1663475), (23, 1229525), (25, 1131163), (55, 514165), (85, 332695), (115, 245905), (187, 151225), (253, 111775), (263, 107525), (275, 102833), (391, 72325), (425, 66539), (575, 49181), (935, 30245), (1265, 22355), (1315, 21505), (1955, 14465), (2893, 9775), (4301, 6575), (4471, 6325), (4675, 6049)]