68742268

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{36643}}^1$

素因数の和:36721

約数の個数: 24

約数和(自身を含む): 139540352

約数和(自身を除く): 70798084

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 268, 469, 938, 1876, 36643, 73286, 146572, 256501, 513002, 1026004, 2455081, 4910162, 9820324, 17185567, 34371134, 68742268]

約数ペア:

[(1, 68742268), (2, 34371134), (4, 17185567), (7, 9820324), (14, 4910162), (28, 2455081), (67, 1026004), (134, 513002), (268, 256501), (469, 146572), (938, 73286), (1876, 36643)]