638139852

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{133279}}^1$

素因数の和:133315

約数の個数: 72

約数和(自身を含む): 1940556800

約数和(自身を除く): 1302416948

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 133, 171, 228, 252, 266, 342, 399, 532, 684, 798, 1197, 1596, 2394, 4788, 133279, 266558, 399837, 533116, 799674, 932953, 1199511, 1599348, 1865906, 2399022, 2532301, 2798859, 3731812, 4798044, 5064602, 5597718, 7596903, 8396577, 10129204, 11195436, 15193806, 16793154, 17726107, 22790709, 30387612, 33586308, 35452214, 45581418, 53178321, 70904428, 91162836, 106356642, 159534963, 212713284, 319069926, 638139852]

約数ペア:

[(1, 638139852), (2, 319069926), (3, 212713284), (4, 159534963), (6, 106356642), (7, 91162836), (9, 70904428), (12, 53178321), (14, 45581418), (18, 35452214), (19, 33586308), (21, 30387612), (28, 22790709), (36, 17726107), (38, 16793154), (42, 15193806), (57, 11195436), (63, 10129204), (76, 8396577), (84, 7596903), (114, 5597718), (126, 5064602), (133, 4798044), (171, 3731812), (228, 2798859), (252, 2532301), (266, 2399022), (342, 1865906), (399, 1599348), (532, 1199511), (684, 932953), (798, 799674), (1197, 533116), (1596, 399837), (2394, 266558), (4788, 133279)]