72905812

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3187}}^1$

素因数の和:3260

約数の個数: 48

約数和(自身を含む): 157104640

約数和(自身を除く): 84198828

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 43, 76, 86, 133, 172, 266, 301, 532, 602, 817, 1204, 1634, 3187, 3268, 5719, 6374, 11438, 12748, 22309, 22876, 44618, 60553, 89236, 121106, 137041, 242212, 274082, 423871, 548164, 847742, 959287, 1695484, 1918574, 2603779, 3837148, 5207558, 10415116, 18226453, 36452906, 72905812]

約数ペア:

[(1, 72905812), (2, 36452906), (4, 18226453), (7, 10415116), (14, 5207558), (19, 3837148), (28, 2603779), (38, 1918574), (43, 1695484), (76, 959287), (86, 847742), (133, 548164), (172, 423871), (266, 274082), (301, 242212), (532, 137041), (602, 121106), (817, 89236), (1204, 60553), (1634, 44618), (3187, 22876), (3268, 22309), (5719, 12748), (6374, 11438)]