201757145

素因数分解:

$5^1\times {\mathrm{31}}^2\times {\mathrm{199}}^1\times {\mathrm{211}}^1$

素因数の和:477

約数の個数: 24

約数和(自身を含む): 252619200

約数和(自身を除く): 50862055

約数列:

[1, 5, 31, 155, 199, 211, 961, 995, 1055, 4805, 6169, 6541, 30845, 32705, 41989, 191239, 202771, 209945, 956195, 1013855, 1301659, 6508295, 40351429, 201757145]

約数ペア:

[(1, 201757145), (5, 40351429), (31, 6508295), (155, 1301659), (199, 1013855), (211, 956195), (961, 209945), (995, 202771), (1055, 191239), (4805, 41989), (6169, 32705), (6541, 30845)]