7205009

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:213

約数の個数: 24

約数和(自身を含む): 9028800

約数和(自身を除く): 1823791

約数列:

[1, 7, 19, 49, 71, 109, 133, 497, 763, 931, 1349, 2071, 3479, 5341, 7739, 9443, 14497, 54173, 66101, 101479, 147041, 379211, 1029287, 7205009]

約数ペア:

[(1, 7205009), (7, 1029287), (19, 379211), (49, 147041), (71, 101479), (109, 66101), (133, 54173), (497, 14497), (763, 9443), (931, 7739), (1349, 5341), (2071, 3479)]