156747998

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{647719}}^1$

素因数の和:647743

約数の個数: 12

約数和(自身を含む): 258440280

約数和(自身を除く): 101692282

約数列:

[1, 2, 11, 22, 121, 242, 647719, 1295438, 7124909, 14249818, 78373999, 156747998]

約数ペア:

[(1, 156747998), (2, 78373999), (11, 14249818), (22, 7124909), (121, 1295438), (242, 647719)]