66412984

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{17551}}^1$

素因数の和:17611

約数の個数: 32

約数和(自身を含む): 139011840

約数和(自身を除く): 72598856

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 172, 344, 473, 946, 1892, 3784, 17551, 35102, 70204, 140408, 193061, 386122, 754693, 772244, 1509386, 1544488, 3018772, 6037544, 8301623, 16603246, 33206492, 66412984]

約数ペア:

[(1, 66412984), (2, 33206492), (4, 16603246), (8, 8301623), (11, 6037544), (22, 3018772), (43, 1544488), (44, 1509386), (86, 772244), (88, 754693), (172, 386122), (344, 193061), (473, 140408), (946, 70204), (1892, 35102), (3784, 17551)]