279877961

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 347289600

約数和(自身を除く): 67411639

約数列:

[1, 11, 19, 23, 67, 79, 121, 209, 253, 437, 737, 869, 1273, 1501, 1541, 1817, 2299, 2783, 4807, 5293, 8107, 9559, 14003, 16511, 16951, 19987, 29279, 34523, 52877, 58223, 100567, 121739, 154033, 181621, 186461, 219857, 322069, 379753, 640453, 1106237, 1339129, 2313041, 3542759, 4177283, 12168607, 14730419, 25443451, 279877961]

約数ペア:

[(1, 279877961), (11, 25443451), (19, 14730419), (23, 12168607), (67, 4177283), (79, 3542759), (121, 2313041), (209, 1339129), (253, 1106237), (437, 640453), (737, 379753), (869, 322069), (1273, 219857), (1501, 186461), (1541, 181621), (1817, 154033), (2299, 121739), (2783, 100567), (4807, 58223), (5293, 52877), (8107, 34523), (9559, 29279), (14003, 19987), (16511, 16951)]