217043882

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{641}}^1\times {\mathrm{15391}}^1$

素因数の和:16045

約数の個数: 16

約数和(自身を含む): 355739904

約数和(自身を除く): 138696022

約数列:

[1, 2, 11, 22, 641, 1282, 7051, 14102, 15391, 30782, 169301, 338602, 9865631, 19731262, 108521941, 217043882]

約数ペア:

[(1, 217043882), (2, 108521941), (11, 19731262), (22, 9865631), (641, 338602), (1282, 169301), (7051, 30782), (14102, 15391)]