87289895

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{11933}}^1$

素因数の和:11975

約数の個数: 32

約数和(自身を含む): 137479680

約数和(自身を除く): 50189785

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 133, 209, 385, 665, 1045, 1463, 7315, 11933, 59665, 83531, 131263, 226727, 417655, 656315, 918841, 1133635, 1587089, 2493997, 4594205, 7935445, 12469985, 17457979, 87289895]

約数ペア:

[(1, 87289895), (5, 17457979), (7, 12469985), (11, 7935445), (19, 4594205), (35, 2493997), (55, 1587089), (77, 1133635), (95, 918841), (133, 656315), (209, 417655), (385, 226727), (665, 131263), (1045, 83531), (1463, 59665), (7315, 11933)]