55509013

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{547}}^1$

素因数の和:689

約数の個数: 24

約数和(自身を含む): 68719200

約数和(自身を除く): 13210187

約数列:

[1, 7, 19, 49, 109, 133, 547, 763, 931, 2071, 3829, 5341, 10393, 14497, 26803, 59623, 72751, 101479, 417361, 509257, 1132837, 2921527, 7929859, 55509013]

約数ペア:

[(1, 55509013), (7, 7929859), (19, 2921527), (49, 1132837), (109, 509257), (133, 417361), (547, 101479), (763, 72751), (931, 59623), (2071, 26803), (3829, 14497), (5341, 10393)]