81489807712

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{233}}^1\times {\mathrm{12239}}^1$

素因数の和:12548

約数の個数: 96

約数和(自身を含む): 173224396800

約数和(自身を除く): 91734589088

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 47, 76, 94, 152, 188, 233, 304, 376, 466, 608, 752, 893, 932, 1504, 1786, 1864, 3572, 3728, 4427, 7144, 7456, 8854, 10951, 12239, 14288, 17708, 21902, 24478, 28576, 35416, 43804, 48956, 70832, 87608, 97912, 141664, 175216, 195824, 208069, 232541, 350432, 391648, 416138, 465082, 575233, 832276, 930164, 1150466, 1664552, 1860328, 2300932, 2851687, 3329104, 3720656, 4601864, 5703374, 6658208, 7441312, 9203728, 10929427, 11406748, 18407456, 21858854, 22813496, 43717708, 45626992, 54182053, 87435416, 91253984, 108364106, 134029289, 174870832, 216728212, 268058578, 349741664, 433456424, 536117156, 866912848, 1072234312, 1733825696, 2144468624, 2546556491, 4288937248, 5093112982, 10186225964, 20372451928, 40744903856, 81489807712]

約数ペア:

[(1, 81489807712), (2, 40744903856), (4, 20372451928), (8, 10186225964), (16, 5093112982), (19, 4288937248), (32, 2546556491), (38, 2144468624), (47, 1733825696), (76, 1072234312), (94, 866912848), (152, 536117156), (188, 433456424), (233, 349741664), (304, 268058578), (376, 216728212), (466, 174870832), (608, 134029289), (752, 108364106), (893, 91253984), (932, 87435416), (1504, 54182053), (1786, 45626992), (1864, 43717708), (3572, 22813496), (3728, 21858854), (4427, 18407456), (7144, 11406748), (7456, 10929427), (8854, 9203728), (10951, 7441312), (12239, 6658208), (14288, 5703374), (17708, 4601864), (21902, 3720656), (24478, 3329104), (28576, 2851687), (35416, 2300932), (43804, 1860328), (48956, 1664552), (70832, 1150466), (87608, 930164), (97912, 832276), (141664, 575233), (175216, 465082), (195824, 416138), (208069, 391648), (232541, 350432)]