68429499856

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{225097039}}^1$

素因数の和:225097066

約数の個数: 20

約数和(自身を含む): 139560164800

約数和(自身を除く): 71130664944

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 225097039, 450194078, 900388156, 1800776312, 3601552624, 4276843741, 8553687482, 17107374964, 34214749928, 68429499856]

約数ペア:

[(1, 68429499856), (2, 34214749928), (4, 17107374964), (8, 8553687482), (16, 4276843741), (19, 3601552624), (38, 1800776312), (76, 900388156), (152, 450194078), (304, 225097039)]