638902488

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{21011}}^1$

素因数の和:21208

約数の個数: 64

約数和(自身を含む): 1835608320

約数和(自身を除く): 1196705832

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 181, 362, 543, 724, 1086, 1267, 1448, 2172, 2534, 3801, 4344, 5068, 7602, 10136, 15204, 21011, 30408, 42022, 63033, 84044, 126066, 147077, 168088, 252132, 294154, 441231, 504264, 588308, 882462, 1176616, 1764924, 3529848, 3802991, 7605982, 11408973, 15211964, 22817946, 26620937, 30423928, 45635892, 53241874, 79862811, 91271784, 106483748, 159725622, 212967496, 319451244, 638902488]

約数ペア:

[(1, 638902488), (2, 319451244), (3, 212967496), (4, 159725622), (6, 106483748), (7, 91271784), (8, 79862811), (12, 53241874), (14, 45635892), (21, 30423928), (24, 26620937), (28, 22817946), (42, 15211964), (56, 11408973), (84, 7605982), (168, 3802991), (181, 3529848), (362, 1764924), (543, 1176616), (724, 882462), (1086, 588308), (1267, 504264), (1448, 441231), (2172, 294154), (2534, 252132), (3801, 168088), (4344, 147077), (5068, 126066), (7602, 84044), (10136, 63033), (15204, 42022), (21011, 30408)]