131493376

素因数分解:

$2^9\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1931}}^1$

素因数の和:1975

約数の個数: 80

約数和(自身を含む): 316229760

約数和(自身を除く): 184736384

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 128, 133, 152, 224, 256, 266, 304, 448, 512, 532, 608, 896, 1064, 1216, 1792, 1931, 2128, 2432, 3584, 3862, 4256, 4864, 7724, 8512, 9728, 13517, 15448, 17024, 27034, 30896, 34048, 36689, 54068, 61792, 68096, 73378, 108136, 123584, 146756, 216272, 247168, 256823, 293512, 432544, 494336, 513646, 587024, 865088, 988672, 1027292, 1174048, 1730176, 2054584, 2348096, 3460352, 4109168, 4696192, 6920704, 8218336, 9392384, 16436672, 18784768, 32873344, 65746688, 131493376]

約数ペア:

[(1, 131493376), (2, 65746688), (4, 32873344), (7, 18784768), (8, 16436672), (14, 9392384), (16, 8218336), (19, 6920704), (28, 4696192), (32, 4109168), (38, 3460352), (56, 2348096), (64, 2054584), (76, 1730176), (112, 1174048), (128, 1027292), (133, 988672), (152, 865088), (224, 587024), (256, 513646), (266, 494336), (304, 432544), (448, 293512), (512, 256823), (532, 247168), (608, 216272), (896, 146756), (1064, 123584), (1216, 108136), (1792, 73378), (1931, 68096), (2128, 61792), (2432, 54068), (3584, 36689), (3862, 34048), (4256, 30896), (4864, 27034), (7724, 17024), (8512, 15448), (9728, 13517)]