217528030

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{199567}}^1$

素因数の和:199683

約数の個数: 16

約数和(自身を含む): 395144640

約数和(自身を除く): 177616610

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 199567, 399134, 997835, 1995670, 21752803, 43505606, 108764015, 217528030]

約数ペア:

[(1, 217528030), (2, 108764015), (5, 43505606), (10, 21752803), (109, 1995670), (218, 997835), (545, 399134), (1090, 199567)]