199830815

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{6361}}^1$

素因数の和:6530

約数の個数: 16

約数和(自身を含む): 246133056

約数和(自身を除く): 46302241

約数列:

[1, 5, 61, 103, 305, 515, 6283, 6361, 31415, 31805, 388021, 655183, 1940105, 3275915, 39966163, 199830815]

約数ペア:

[(1, 199830815), (5, 39966163), (61, 3275915), (103, 1940105), (305, 655183), (515, 388021), (6283, 31805), (6361, 31415)]