81306388268

素因数分解:

$2^2\times 7^1\times {\mathrm{138679}}^1\times {\mathrm{20939}}^1$

素因数の和:159629

約数の個数: 24

約数和(自身を含む): 162621715200

約数和(自身を除く): 81315326932

約数列:

[1, 2, 4, 7, 14, 28, 20939, 41878, 83756, 138679, 146573, 277358, 293146, 554716, 586292, 970753, 1941506, 3883012, 2903799581, 5807599162, 11615198324, 20326597067, 40653194134, 81306388268]

約数ペア:

[(1, 81306388268), (2, 40653194134), (4, 20326597067), (7, 11615198324), (14, 5807599162), (28, 2903799581), (20939, 3883012), (41878, 1941506), (83756, 970753), (138679, 586292), (146573, 554716), (277358, 293146)]