128564576

素因数分解:

$2^5\times 7^1\times {\mathrm{61}}^1\times {\mathrm{97}}^2$

素因数の和:272

約数の個数: 72

約数和(自身を含む): 297074736

約数和(自身を除く): 168510160

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 97, 112, 122, 194, 224, 244, 388, 427, 488, 679, 776, 854, 976, 1358, 1552, 1708, 1952, 2716, 3104, 3416, 5432, 5917, 6832, 9409, 10864, 11834, 13664, 18818, 21728, 23668, 37636, 41419, 47336, 65863, 75272, 82838, 94672, 131726, 150544, 165676, 189344, 263452, 301088, 331352, 526904, 573949, 662704, 1053808, 1147898, 1325408, 2107616, 2295796, 4017643, 4591592, 8035286, 9183184, 16070572, 18366368, 32141144, 64282288, 128564576]

約数ペア:

[(1, 128564576), (2, 64282288), (4, 32141144), (7, 18366368), (8, 16070572), (14, 9183184), (16, 8035286), (28, 4591592), (32, 4017643), (56, 2295796), (61, 2107616), (97, 1325408), (112, 1147898), (122, 1053808), (194, 662704), (224, 573949), (244, 526904), (388, 331352), (427, 301088), (488, 263452), (679, 189344), (776, 165676), (854, 150544), (976, 131726), (1358, 94672), (1552, 82838), (1708, 75272), (1952, 65863), (2716, 47336), (3104, 41419), (3416, 37636), (5432, 23668), (5917, 21728), (6832, 18818), (9409, 13664), (10864, 11834)]