28678782

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:285

約数の個数: 64

約数和(自身を含む): 65691648

約数和(自身を除く): 37012866

約数列:

[1, 2, 3, 6, 11, 22, 31, 33, 62, 66, 93, 107, 131, 186, 214, 262, 321, 341, 393, 642, 682, 786, 1023, 1177, 1441, 2046, 2354, 2882, 3317, 3531, 4061, 4323, 6634, 7062, 8122, 8646, 9951, 12183, 14017, 19902, 24366, 28034, 36487, 42051, 44671, 72974, 84102, 89342, 109461, 134013, 154187, 218922, 268026, 308374, 434527, 462561, 869054, 925122, 1303581, 2607162, 4779797, 9559594, 14339391, 28678782]

約数ペア:

[(1, 28678782), (2, 14339391), (3, 9559594), (6, 4779797), (11, 2607162), (22, 1303581), (31, 925122), (33, 869054), (62, 462561), (66, 434527), (93, 308374), (107, 268026), (131, 218922), (186, 154187), (214, 134013), (262, 109461), (321, 89342), (341, 84102), (393, 72974), (642, 44671), (682, 42051), (786, 36487), (1023, 28034), (1177, 24366), (1441, 19902), (2046, 14017), (2354, 12183), (2882, 9951), (3317, 8646), (3531, 8122), (4061, 7062), (4323, 6634)]