12962705

素因数分解:

$5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{337}}^1$

素因数の和:513

約数の個数: 24

約数和(自身を含む): 18264168

約数和(自身を除く): 5301463

約数列:

[1, 5, 7, 35, 49, 157, 245, 337, 785, 1099, 1685, 2359, 5495, 7693, 11795, 16513, 38465, 52909, 82565, 264545, 370363, 1851815, 2592541, 12962705]

約数ペア:

[(1, 12962705), (5, 2592541), (7, 1851815), (35, 370363), (49, 264545), (157, 82565), (245, 52909), (337, 38465), (785, 16513), (1099, 11795), (1685, 7693), (2359, 5495)]