128239436

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:199

約数の個数: 96

約数和(自身を含む): 270950400

約数和(自身を除く): 142710964

約数列:

[1, 2, 4, 13, 19, 26, 31, 38, 52, 53, 62, 76, 79, 106, 124, 158, 212, 247, 316, 403, 494, 589, 689, 806, 988, 1007, 1027, 1178, 1378, 1501, 1612, 1643, 2014, 2054, 2356, 2449, 2756, 3002, 3286, 4028, 4108, 4187, 4898, 6004, 6572, 7657, 8374, 9796, 13091, 15314, 16748, 19513, 21359, 26182, 30628, 31217, 31837, 39026, 42718, 46531, 52364, 54431, 62434, 63674, 78052, 79553, 85436, 93062, 108862, 124868, 127348, 129797, 159106, 186124, 217724, 259594, 318212, 405821, 519188, 604903, 811642, 1034189, 1209806, 1623284, 1687361, 2068378, 2419612, 2466143, 3374722, 4136756, 4932286, 6749444, 9864572, 32059859, 64119718, 128239436]

約数ペア:

[(1, 128239436), (2, 64119718), (4, 32059859), (13, 9864572), (19, 6749444), (26, 4932286), (31, 4136756), (38, 3374722), (52, 2466143), (53, 2419612), (62, 2068378), (76, 1687361), (79, 1623284), (106, 1209806), (124, 1034189), (158, 811642), (212, 604903), (247, 519188), (316, 405821), (403, 318212), (494, 259594), (589, 217724), (689, 186124), (806, 159106), (988, 129797), (1007, 127348), (1027, 124868), (1178, 108862), (1378, 93062), (1501, 85436), (1612, 79553), (1643, 78052), (2014, 63674), (2054, 62434), (2356, 54431), (2449, 52364), (2756, 46531), (3002, 42718), (3286, 39026), (4028, 31837), (4108, 31217), (4187, 30628), (4898, 26182), (6004, 21359), (6572, 19513), (7657, 16748), (8374, 15314), (9796, 13091)]