28757432

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{2351}}^1$

素因数の和:2507

約数の個数: 32

約数和(自身を含む): 59270400

約数和(自身を除く): 30512968

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 139, 278, 556, 1112, 1529, 2351, 3058, 4702, 6116, 9404, 12232, 18808, 25861, 51722, 103444, 206888, 326789, 653578, 1307156, 2614312, 3594679, 7189358, 14378716, 28757432]

約数ペア:

[(1, 28757432), (2, 14378716), (4, 7189358), (8, 3594679), (11, 2614312), (22, 1307156), (44, 653578), (88, 326789), (139, 206888), (278, 103444), (556, 51722), (1112, 25861), (1529, 18808), (2351, 12232), (3058, 9404), (4702, 6116)]