201212990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1829209}}^1$

素因数の和:1829227

約数の個数: 16

約数和(自身を含む): 395109360

約数和(自身を除く): 193896370

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 1829209, 3658418, 9146045, 18292090, 20121299, 40242598, 100606495, 201212990]

約数ペア:

[(1, 201212990), (2, 100606495), (5, 40242598), (10, 20121299), (11, 18292090), (22, 9146045), (55, 3658418), (110, 1829209)]