217005910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1972781}}^1$

素因数の和:1972799

約数の個数: 16

約数和(自身を含む): 426120912

約数和(自身を除く): 209115002

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 1972781, 3945562, 9863905, 19727810, 21700591, 43401182, 108502955, 217005910]

約数ペア:

[(1, 217005910), (2, 108502955), (5, 43401182), (10, 21700591), (11, 19727810), (22, 9863905), (55, 3945562), (110, 1972781)]