66307568

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{218117}}^1$

素因数の和:218144

約数の個数: 20

約数和(自身を含む): 135233160

約数和(自身を除く): 68925592

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 218117, 436234, 872468, 1744936, 3489872, 4144223, 8288446, 16576892, 33153784, 66307568]

約数ペア:

[(1, 66307568), (2, 33153784), (4, 16576892), (8, 8288446), (16, 4144223), (19, 3489872), (38, 1744936), (76, 872468), (152, 436234), (304, 218117)]