243404756

素因数分解:

$2^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{17491}}^1$

素因数の和:17580

約数の個数: 36

約数和(自身を含む): 502510176

約数和(自身を除く): 259105420

約数列:

[1, 2, 4, 7, 14, 28, 49, 71, 98, 142, 196, 284, 497, 994, 1988, 3479, 6958, 13916, 17491, 34982, 69964, 122437, 244874, 489748, 857059, 1241861, 1714118, 2483722, 3428236, 4967444, 8693027, 17386054, 34772108, 60851189, 121702378, 243404756]

約数ペア:

[(1, 243404756), (2, 121702378), (4, 60851189), (7, 34772108), (14, 17386054), (28, 8693027), (49, 4967444), (71, 3428236), (98, 2483722), (142, 1714118), (196, 1241861), (284, 857059), (497, 489748), (994, 244874), (1988, 122437), (3479, 69964), (6958, 34982), (13916, 17491)]