40987009

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{8329}}^1$

素因数の和:8392

約数の個数: 16

約数和(自身を含む): 50646400

約数和(自身を除く): 9659391

約数列:

[1, 7, 19, 37, 133, 259, 703, 4921, 8329, 58303, 158251, 308173, 1107757, 2157211, 5855287, 40987009]

約数ペア:

[(1, 40987009), (7, 5855287), (19, 2157211), (37, 1107757), (133, 308173), (259, 158251), (703, 58303), (4921, 8329)]