71780212

素因数分解:

$2^2\times 7^1\times {\mathrm{317}}^1\times {\mathrm{8087}}^1$

素因数の和:8415

約数の個数: 24

約数和(自身を含む): 144031104

約数和(自身を除く): 72250892

約数列:

[1, 2, 4, 7, 14, 28, 317, 634, 1268, 2219, 4438, 8087, 8876, 16174, 32348, 56609, 113218, 226436, 2563579, 5127158, 10254316, 17945053, 35890106, 71780212]

約数ペア:

[(1, 71780212), (2, 35890106), (4, 17945053), (7, 10254316), (14, 5127158), (28, 2563579), (317, 226436), (634, 113218), (1268, 56609), (2219, 32348), (4438, 16174), (8087, 8876)]