12562781

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 17080320

約数和(自身を除く): 4517539

約数列:

[1, 7, 11, 19, 31, 77, 133, 209, 217, 277, 341, 589, 1463, 1939, 2387, 3047, 4123, 5263, 6479, 8587, 21329, 36841, 45353, 57893, 60109, 94457, 163153, 405251, 661199, 1142071, 1794683, 12562781]

約数ペア:

[(1, 12562781), (7, 1794683), (11, 1142071), (19, 661199), (31, 405251), (77, 163153), (133, 94457), (209, 60109), (217, 57893), (277, 45353), (341, 36841), (589, 21329), (1463, 8587), (1939, 6479), (2387, 5263), (3047, 4123)]