78861776

素因数分解:

$2^4\times 7^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:197

約数の個数: 120

約数和(自身を含む): 193253256

約数和(自身を除く): 114391480

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 49, 56, 61, 68, 97, 98, 112, 119, 122, 136, 194, 196, 238, 244, 272, 388, 392, 427, 476, 488, 679, 776, 784, 833, 854, 952, 976, 1037, 1358, 1552, 1649, 1666, 1708, 1904, 2074, 2716, 2989, 3298, 3332, 3416, 4148, 4753, 5432, 5917, 5978, 6596, 6664, 6832, 7259, 8296, 9506, 10864, 11543, 11834, 11956, 13192, 13328, 14518, 16592, 19012, 23086, 23668, 23912, 26384, 29036, 38024, 41419, 46172, 47336, 47824, 50813, 58072, 76048, 80801, 82838, 92344, 94672, 100589, 101626, 116144, 161602, 165676, 184688, 201178, 203252, 289933, 323204, 331352, 402356, 406504, 579866, 646408, 662704, 704123, 804712, 813008, 1159732, 1292816, 1408246, 1609424, 2319464, 2816492, 4638928, 4928861, 5632984, 9857722, 11265968, 19715444, 39430888, 78861776]

約数ペア:

[(1, 78861776), (2, 39430888), (4, 19715444), (7, 11265968), (8, 9857722), (14, 5632984), (16, 4928861), (17, 4638928), (28, 2816492), (34, 2319464), (49, 1609424), (56, 1408246), (61, 1292816), (68, 1159732), (97, 813008), (98, 804712), (112, 704123), (119, 662704), (122, 646408), (136, 579866), (194, 406504), (196, 402356), (238, 331352), (244, 323204), (272, 289933), (388, 203252), (392, 201178), (427, 184688), (476, 165676), (488, 161602), (679, 116144), (776, 101626), (784, 100589), (833, 94672), (854, 92344), (952, 82838), (976, 80801), (1037, 76048), (1358, 58072), (1552, 50813), (1649, 47824), (1666, 47336), (1708, 46172), (1904, 41419), (2074, 38024), (2716, 29036), (2989, 26384), (3298, 23912), (3332, 23668), (3416, 23086), (4148, 19012), (4753, 16592), (5432, 14518), (5917, 13328), (5978, 13192), (6596, 11956), (6664, 11834), (6832, 11543), (7259, 10864), (8296, 9506)]