491309005

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{812081}}^1$

素因数の和:812108

約数の個数: 12

約数和(自身を含む): 648041436

約数和(自身を除く): 156732431

約数列:

[1, 5, 11, 55, 121, 605, 812081, 4060405, 8932891, 44664455, 98261801, 491309005]

約数ペア:

[(1, 491309005), (5, 98261801), (11, 44664455), (55, 8932891), (121, 4060405), (605, 812081)]