81859288

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{353}}^1$

素因数の和:508

約数の個数: 64

約数和(自身を含む): 181984320

約数和(自身を除く): 100125032

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 101, 164, 202, 287, 328, 353, 404, 574, 706, 707, 808, 1148, 1412, 1414, 2296, 2471, 2824, 2828, 4141, 4942, 5656, 8282, 9884, 14473, 16564, 19768, 28946, 28987, 33128, 35653, 57892, 57974, 71306, 101311, 115784, 115948, 142612, 202622, 231896, 249571, 285224, 405244, 499142, 810488, 998284, 1461773, 1996568, 2923546, 5847092, 10232411, 11694184, 20464822, 40929644, 81859288]

約数ペア:

[(1, 81859288), (2, 40929644), (4, 20464822), (7, 11694184), (8, 10232411), (14, 5847092), (28, 2923546), (41, 1996568), (56, 1461773), (82, 998284), (101, 810488), (164, 499142), (202, 405244), (287, 285224), (328, 249571), (353, 231896), (404, 202622), (574, 142612), (706, 115948), (707, 115784), (808, 101311), (1148, 71306), (1412, 57974), (1414, 57892), (2296, 35653), (2471, 33128), (2824, 28987), (2828, 28946), (4141, 19768), (4942, 16564), (5656, 14473), (8282, 9884)]