78609212

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{25163}}^1$

素因数の和:25249

約数の個数: 24

約数和(自身を含む): 152191872

約数和(自身を除く): 73582660

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 25163, 50326, 100652, 276793, 553586, 1107172, 1786573, 3573146, 7146292, 19652303, 39304606, 78609212]

約数ペア:

[(1, 78609212), (2, 39304606), (4, 19652303), (11, 7146292), (22, 3573146), (44, 1786573), (71, 1107172), (142, 553586), (284, 276793), (781, 100652), (1562, 50326), (3124, 25163)]