201238891

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1\times {\mathrm{3943}}^1$

素因数の和:4290

約数の個数: 16

約数和(自身を含む): 240804864

約数和(自身を除く): 39565973

約数列:

[1, 7, 23, 161, 317, 2219, 3943, 7291, 27601, 51037, 90689, 634823, 1249931, 8749517, 28748413, 201238891]

約数ペア:

[(1, 201238891), (7, 28748413), (23, 8749517), (161, 1249931), (317, 634823), (2219, 90689), (3943, 51037), (7291, 27601)]