28087972

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{131}}^1\times {\mathrm{443}}^1$

素因数の和:600

約数の個数: 36

約数和(自身を含む): 54564048

約数和(自身を除く): 26476076

約数列:

[1, 2, 4, 11, 22, 44, 121, 131, 242, 262, 443, 484, 524, 886, 1441, 1772, 2882, 4873, 5764, 9746, 15851, 19492, 31702, 53603, 58033, 63404, 107206, 116066, 214412, 232132, 638363, 1276726, 2553452, 7021993, 14043986, 28087972]

約数ペア:

[(1, 28087972), (2, 14043986), (4, 7021993), (11, 2553452), (22, 1276726), (44, 638363), (121, 232132), (131, 214412), (242, 116066), (262, 107206), (443, 63404), (484, 58033), (524, 53603), (886, 31702), (1441, 19492), (1772, 15851), (2882, 9746), (4873, 5764)]