1661565143

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{2803}}^1\times {\mathrm{4457}}^1$

素因数の和:7286

約数の個数: 16

約数和(自身を含む): 2000037120

約数和(自身を除く): 338471977

約数列:

[1, 7, 19, 133, 2803, 4457, 19621, 31199, 53257, 84683, 372799, 592781, 12492971, 87450797, 237366449, 1661565143]

約数ペア:

[(1, 1661565143), (7, 237366449), (19, 87450797), (133, 12492971), (2803, 592781), (4457, 372799), (19621, 84683), (31199, 53257)]