123391738

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{311}}^1$

素因数の和:582

約数の個数: 32

約数和(自身を含む): 200154240

約数和(自身を除く): 76762502

約数列:

[1, 2, 19, 38, 53, 106, 197, 311, 394, 622, 1007, 2014, 3743, 5909, 7486, 10441, 11818, 16483, 20882, 32966, 61267, 122534, 198379, 313177, 396758, 626354, 1164073, 2328146, 3247151, 6494302, 61695869, 123391738]

約数ペア:

[(1, 123391738), (2, 61695869), (19, 6494302), (38, 3247151), (53, 2328146), (106, 1164073), (197, 626354), (311, 396758), (394, 313177), (622, 198379), (1007, 122534), (2014, 61267), (3743, 32966), (5909, 20882), (7486, 16483), (10441, 11818)]