1001990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9109}}^1$

素因数の和:9127

約数の個数: 16

約数和(自身を含む): 1967760

約数和(自身を除く): 965770

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 9109, 18218, 45545, 91090, 100199, 200398, 500995, 1001990]

約数ペア:

[(1, 1001990), (2, 500995), (5, 200398), (10, 100199), (11, 91090), (22, 45545), (55, 18218), (110, 9109)]