12980506

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2719}}^1$

素因数の和:2770

約数の個数: 32

約数和(自身を含む): 25067520

約数和(自身を除く): 12087014

約数列:

[1, 2, 7, 11, 14, 22, 31, 62, 77, 154, 217, 341, 434, 682, 2387, 2719, 4774, 5438, 19033, 29909, 38066, 59818, 84289, 168578, 209363, 418726, 590023, 927179, 1180046, 1854358, 6490253, 12980506]

約数ペア:

[(1, 12980506), (2, 6490253), (7, 1854358), (11, 1180046), (14, 927179), (22, 590023), (31, 418726), (62, 209363), (77, 168578), (154, 84289), (217, 59818), (341, 38066), (434, 29909), (682, 19033), (2387, 5438), (2719, 4774)]