197203396

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{291721}}^1$

素因数の和:291751

約数の個数: 18

約数和(自身を含む): 373695882

約数和(自身を除く): 176492486

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 291721, 583442, 1166884, 3792373, 7584746, 15169492, 49300849, 98601698, 197203396]

約数ペア:

[(1, 197203396), (2, 98601698), (4, 49300849), (13, 15169492), (26, 7584746), (52, 3792373), (169, 1166884), (338, 583442), (676, 291721)]