200781721

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{40801}}^1$

素因数の和:40864

約数の個数: 16

約数和(自身を含む): 248076160

約数和(自身を除く): 47294439

約数列:

[1, 7, 19, 37, 133, 259, 703, 4921, 40801, 285607, 775219, 1509637, 5426533, 10567459, 28683103, 200781721]

約数ペア:

[(1, 200781721), (7, 28683103), (19, 10567459), (37, 5426533), (133, 1509637), (259, 775219), (703, 285607), (4921, 40801)]