12687455

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{313}}^1$

素因数の和:407

約数の個数: 24

約数和(自身を含む): 17038896

約数和(自身を除く): 4351441

約数列:

[1, 5, 11, 55, 67, 121, 313, 335, 605, 737, 1565, 3443, 3685, 8107, 17215, 20971, 37873, 40535, 104855, 189365, 230681, 1153405, 2537491, 12687455]

約数ペア:

[(1, 12687455), (5, 2537491), (11, 1153405), (55, 230681), (67, 189365), (121, 104855), (313, 40535), (335, 37873), (605, 20971), (737, 17215), (1565, 8107), (3443, 3685)]