211906574

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{875647}}^1$

素因数の和:875671

約数の個数: 12

約数和(自身を含む): 349383552

約数和(自身を除く): 137476978

約数列:

[1, 2, 11, 22, 121, 242, 875647, 1751294, 9632117, 19264234, 105953287, 211906574]

約数ペア:

[(1, 211906574), (2, 105953287), (11, 19264234), (22, 9632117), (121, 1751294), (242, 875647)]