81796216

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{4937}}^1$

素因数の和:5071

約数の個数: 32

約数和(自身を含む): 162954000

約数和(自身を除く): 81157784

約数列:

[1, 2, 4, 8, 19, 38, 76, 109, 152, 218, 436, 872, 2071, 4142, 4937, 8284, 9874, 16568, 19748, 39496, 93803, 187606, 375212, 538133, 750424, 1076266, 2152532, 4305064, 10224527, 20449054, 40898108, 81796216]

約数ペア:

[(1, 81796216), (2, 40898108), (4, 20449054), (8, 10224527), (19, 4305064), (38, 2152532), (76, 1076266), (109, 750424), (152, 538133), (218, 375212), (436, 187606), (872, 93803), (2071, 39496), (4142, 19748), (4937, 16568), (8284, 9874)]