201563989

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{193}}^1\times {\mathrm{263}}^1$

素因数の和:505

約数の個数: 24

約数和(自身を含む): 234159552

約数和(自身を除く): 32595563

約数列:

[1, 11, 19, 193, 209, 263, 361, 2123, 2893, 3667, 3971, 4997, 40337, 50759, 54967, 69673, 94943, 558349, 766403, 964421, 1044373, 10608631, 18323999, 201563989]

約数ペア:

[(1, 201563989), (11, 18323999), (19, 10608631), (193, 1044373), (209, 964421), (263, 766403), (361, 558349), (2123, 94943), (2893, 69673), (3667, 54967), (3971, 50759), (4997, 40337)]