64645196

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{209887}}^1$

素因数の和:209909

約数の個数: 24

約数和(自身を含む): 141044736

約数和(自身を除く): 76399540

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 209887, 419774, 839548, 1469209, 2308757, 2938418, 4617514, 5876836, 9235028, 16161299, 32322598, 64645196]

約数ペア:

[(1, 64645196), (2, 32322598), (4, 16161299), (7, 9235028), (11, 5876836), (14, 4617514), (22, 2938418), (28, 2308757), (44, 1469209), (77, 839548), (154, 419774), (308, 209887)]