171923770

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{421}}^2$

素因数の和:946

約数の個数: 24

約数和(自身を含む): 313397532

約数和(自身を除く): 141473762

約数列:

[1, 2, 5, 10, 97, 194, 421, 485, 842, 970, 2105, 4210, 40837, 81674, 177241, 204185, 354482, 408370, 886205, 1772410, 17192377, 34384754, 85961885, 171923770]

約数ペア:

[(1, 171923770), (2, 85961885), (5, 34384754), (10, 17192377), (97, 1772410), (194, 886205), (421, 408370), (485, 354482), (842, 204185), (970, 177241), (2105, 81674), (4210, 40837)]