156978382

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{648671}}^1$

素因数の和:648695

約数の個数: 12

約数和(自身を含む): 258820128

約数和(自身を除く): 101841746

約数列:

[1, 2, 11, 22, 121, 242, 648671, 1297342, 7135381, 14270762, 78489191, 156978382]

約数ペア:

[(1, 156978382), (2, 78489191), (11, 14270762), (22, 7135381), (121, 1297342), (242, 648671)]