28121786

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1373}}^1$

素因数の和:1419

約数の個数: 48

約数和(自身を含む): 56388960

約数和(自身を除く): 28267174

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 49, 77, 98, 133, 154, 209, 266, 418, 539, 931, 1078, 1373, 1463, 1862, 2746, 2926, 9611, 10241, 15103, 19222, 20482, 26087, 30206, 52174, 67277, 105721, 134554, 182609, 211442, 286957, 365218, 573914, 740047, 1278263, 1480094, 2008699, 2556526, 4017398, 14060893, 28121786]

約数ペア:

[(1, 28121786), (2, 14060893), (7, 4017398), (11, 2556526), (14, 2008699), (19, 1480094), (22, 1278263), (38, 740047), (49, 573914), (77, 365218), (98, 286957), (133, 211442), (154, 182609), (209, 134554), (266, 105721), (418, 67277), (539, 52174), (931, 30206), (1078, 26087), (1373, 20482), (1463, 19222), (1862, 15103), (2746, 10241), (2926, 9611)]