199739905

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{541}}^1\times {\mathrm{1801}}^1$

素因数の和:2388

約数の個数: 16

約数和(自身を含む): 246124368

約数和(自身を除く): 46384463

約数列:

[1, 5, 41, 205, 541, 1801, 2705, 9005, 22181, 73841, 110905, 369205, 974341, 4871705, 39947981, 199739905]

約数ペア:

[(1, 199739905), (5, 39947981), (41, 4871705), (205, 974341), (541, 369205), (1801, 110905), (2705, 73841), (9005, 22181)]