1389777788

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{244507}}^1$

素因数の和:244554

約数の個数: 36

約数和(自身を含む): 2926760760

約数和(自身を除く): 1536982972

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 98, 116, 196, 203, 406, 812, 1421, 2842, 5684, 244507, 489014, 978028, 1711549, 3423098, 6846196, 7090703, 11980843, 14181406, 23961686, 28362812, 47923372, 49634921, 99269842, 198539684, 347444447, 694888894, 1389777788]

約数ペア:

[(1, 1389777788), (2, 694888894), (4, 347444447), (7, 198539684), (14, 99269842), (28, 49634921), (29, 47923372), (49, 28362812), (58, 23961686), (98, 14181406), (116, 11980843), (196, 7090703), (203, 6846196), (406, 3423098), (812, 1711549), (1421, 978028), (2842, 489014), (5684, 244507)]