7420315

素因数分解:

$5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{977}}^1$

素因数の和:1027

約数の個数: 24

約数和(自身を含む): 10703232

約数和(自身を除く): 3282917

約数列:

[1, 5, 7, 31, 35, 49, 155, 217, 245, 977, 1085, 1519, 4885, 6839, 7595, 30287, 34195, 47873, 151435, 212009, 239365, 1060045, 1484063, 7420315]

約数ペア:

[(1, 7420315), (5, 1484063), (7, 1060045), (31, 239365), (35, 212009), (49, 151435), (155, 47873), (217, 34195), (245, 30287), (977, 7595), (1085, 6839), (1519, 4885)]