61664636

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{19739}}^1$

素因数の和:19825

約数の個数: 24

約数和(自身を含む): 119387520

約数和(自身を除く): 57722884

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 19739, 39478, 78956, 217129, 434258, 868516, 1401469, 2802938, 5605876, 15416159, 30832318, 61664636]

約数ペア:

[(1, 61664636), (2, 30832318), (4, 15416159), (11, 5605876), (22, 2802938), (44, 1401469), (71, 868516), (142, 434258), (284, 217129), (781, 78956), (1562, 39478), (3124, 19739)]