210851815

素因数分解:

$5^1\times {\mathrm{103}}^1\times {\mathrm{401}}^1\times {\mathrm{1021}}^1$

素因数の和:1530

約数の個数: 16

約数和(自身を含む): 256366656

約数和(自身を除く): 45514841

約数列:

[1, 5, 103, 401, 515, 1021, 2005, 5105, 41303, 105163, 206515, 409421, 525815, 2047105, 42170363, 210851815]

約数ペア:

[(1, 210851815), (5, 42170363), (103, 2047105), (401, 525815), (515, 409421), (1021, 206515), (2005, 105163), (5105, 41303)]