65408944

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{215161}}^1$

素因数の和:215188

約数の個数: 20

約数和(自身を含む): 133400440

約数和(自身を除く): 67991496

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 215161, 430322, 860644, 1721288, 3442576, 4088059, 8176118, 16352236, 32704472, 65408944]

約数ペア:

[(1, 65408944), (2, 32704472), (4, 16352236), (8, 8176118), (16, 4088059), (19, 3442576), (38, 1721288), (76, 860644), (152, 430322), (304, 215161)]