213760990

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{196111}}^1$

素因数の和:196227

約数の個数: 16

約数和(自身を含む): 388301760

約数和(自身を除く): 174540770

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 196111, 392222, 980555, 1961110, 21376099, 42752198, 106880495, 213760990]

約数ペア:

[(1, 213760990), (2, 106880495), (5, 42752198), (10, 21376099), (109, 1961110), (218, 980555), (545, 392222), (1090, 196111)]