201997558

素因数分解:

$2^1\times 7^1\times {\mathrm{1427}}^1\times {\mathrm{10111}}^1$

素因数の和:11547

約数の個数: 16

約数和(自身を含む): 346558464

約数和(自身を除く): 144560906

約数列:

[1, 2, 7, 14, 1427, 2854, 9989, 10111, 19978, 20222, 70777, 141554, 14428397, 28856794, 100998779, 201997558]

約数ペア:

[(1, 201997558), (2, 100998779), (7, 28856794), (14, 14428397), (1427, 141554), (2854, 70777), (9989, 20222), (10111, 19978)]