172131212

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{355643}}^1$

素因数の和:355669

約数の個数: 18

約数和(自身を含む): 331104564

約数和(自身を除く): 158973352

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 355643, 711286, 1422572, 3912073, 7824146, 15648292, 43032803, 86065606, 172131212]

約数ペア:

[(1, 172131212), (2, 86065606), (4, 43032803), (11, 15648292), (22, 7824146), (44, 3912073), (121, 1422572), (242, 711286), (484, 355643)]