127816472

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:193

約数の個数: 128

約数和(自身を含む): 308551680

約数和(自身を除く): 180735208

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 31, 34, 56, 61, 62, 68, 71, 119, 122, 124, 136, 142, 217, 238, 244, 248, 284, 427, 434, 476, 488, 497, 527, 568, 854, 868, 952, 994, 1037, 1054, 1207, 1708, 1736, 1891, 1988, 2074, 2108, 2201, 2414, 3416, 3689, 3782, 3976, 4148, 4216, 4331, 4402, 4828, 7259, 7378, 7564, 8296, 8449, 8662, 8804, 9656, 13237, 14518, 14756, 15128, 15407, 16898, 17324, 17608, 26474, 29036, 29512, 30317, 30814, 32147, 33796, 34648, 37417, 52948, 58072, 60634, 61628, 64294, 67592, 73627, 74834, 105896, 121268, 123256, 128588, 134261, 147254, 149668, 225029, 242536, 257176, 261919, 268522, 294508, 299336, 450058, 515389, 523838, 537044, 589016, 900116, 939827, 1030778, 1047676, 1074088, 1800232, 1879654, 2061556, 2095352, 2282437, 3759308, 4123112, 4564874, 7518616, 9129748, 15977059, 18259496, 31954118, 63908236, 127816472]

約数ペア:

[(1, 127816472), (2, 63908236), (4, 31954118), (7, 18259496), (8, 15977059), (14, 9129748), (17, 7518616), (28, 4564874), (31, 4123112), (34, 3759308), (56, 2282437), (61, 2095352), (62, 2061556), (68, 1879654), (71, 1800232), (119, 1074088), (122, 1047676), (124, 1030778), (136, 939827), (142, 900116), (217, 589016), (238, 537044), (244, 523838), (248, 515389), (284, 450058), (427, 299336), (434, 294508), (476, 268522), (488, 261919), (497, 257176), (527, 242536), (568, 225029), (854, 149668), (868, 147254), (952, 134261), (994, 128588), (1037, 123256), (1054, 121268), (1207, 105896), (1708, 74834), (1736, 73627), (1891, 67592), (1988, 64294), (2074, 61628), (2108, 60634), (2201, 58072), (2414, 52948), (3416, 37417), (3689, 34648), (3782, 33796), (3976, 32147), (4148, 30814), (4216, 30317), (4331, 29512), (4402, 29036), (4828, 26474), (7259, 17608), (7378, 17324), (7564, 16898), (8296, 15407), (8449, 15128), (8662, 14756), (8804, 14518), (9656, 13237)]