201997028261

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{9378199}}^1$

素因数の和:9378404

約数の個数: 16

約数和(自身を含む): 245783865600

約数和(自身を除く): 43786837339

約数列:

[1, 7, 17, 119, 181, 1267, 3077, 21539, 9378199, 65647393, 159429383, 1116005681, 1697454019, 11882178133, 28856718323, 201997028261]

約数ペア:

[(1, 201997028261), (7, 28856718323), (17, 11882178133), (119, 1697454019), (181, 1116005681), (1267, 159429383), (3077, 65647393), (21539, 9378199)]