1221950705

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{676981}}^1$

素因数の和:677024

約数の個数: 12

約数和(自身を含む): 1547580852

約数和(自身を除く): 325630147

約数列:

[1, 5, 19, 95, 361, 1805, 676981, 3384905, 12862639, 64313195, 244390141, 1221950705]

約数ペア:

[(1, 1221950705), (5, 244390141), (19, 64313195), (95, 12862639), (361, 3384905), (1805, 676981)]