81513412

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{307}}^1\times {\mathrm{1619}}^1$

素因数の和:1971

約数の個数: 24

約数和(自身を含む): 146694240

約数和(自身を除く): 65180828

約数列:

[1, 2, 4, 41, 82, 164, 307, 614, 1228, 1619, 3238, 6476, 12587, 25174, 50348, 66379, 132758, 265516, 497033, 994066, 1988132, 20378353, 40756706, 81513412]

約数ペア:

[(1, 81513412), (2, 40756706), (4, 20378353), (41, 1988132), (82, 994066), (164, 497033), (307, 265516), (614, 132758), (1228, 66379), (1619, 50348), (3238, 25174), (6476, 12587)]