16691213

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{179}}^1$

素因数の和:377

約数の個数: 24

約数和(自身を含む): 21422880

約数和(自身を除く): 4731667

約数列:

[1, 7, 11, 49, 77, 173, 179, 539, 1211, 1253, 1903, 1969, 8477, 8771, 13321, 13783, 30967, 93247, 96481, 216769, 340637, 1517383, 2384459, 16691213]

約数ペア:

[(1, 16691213), (7, 2384459), (11, 1517383), (49, 340637), (77, 216769), (173, 96481), (179, 93247), (539, 30967), (1211, 13783), (1253, 13321), (1903, 8771), (1969, 8477)]