31954118

素因数分解:

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

素因数の和:189

約数の個数: 64

約数和(自身を含む): 61710336

約数和(自身を除く): 29756218

約数列:

[1, 2, 7, 14, 17, 31, 34, 61, 62, 71, 119, 122, 142, 217, 238, 427, 434, 497, 527, 854, 994, 1037, 1054, 1207, 1891, 2074, 2201, 2414, 3689, 3782, 4331, 4402, 7259, 7378, 8449, 8662, 13237, 14518, 15407, 16898, 26474, 30317, 30814, 32147, 37417, 60634, 64294, 73627, 74834, 134261, 147254, 225029, 261919, 268522, 450058, 515389, 523838, 939827, 1030778, 1879654, 2282437, 4564874, 15977059, 31954118]

約数ペア:

[(1, 31954118), (2, 15977059), (7, 4564874), (14, 2282437), (17, 1879654), (31, 1030778), (34, 939827), (61, 523838), (62, 515389), (71, 450058), (119, 268522), (122, 261919), (142, 225029), (217, 147254), (238, 134261), (427, 74834), (434, 73627), (497, 64294), (527, 60634), (854, 37417), (994, 32147), (1037, 30814), (1054, 30317), (1207, 26474), (1891, 16898), (2074, 15407), (2201, 14518), (2414, 13237), (3689, 8662), (3782, 8449), (4331, 7378), (4402, 7259)]