199971257

素因数分解:

${\mathrm{19}}^2\times {\mathrm{359}}^1\times {\mathrm{1543}}^1$

素因数の和:1940

約数の個数: 12

約数和(自身を含む): 211775040

約数和(自身を除く): 11803783

約数列:

[1, 19, 359, 361, 1543, 6821, 29317, 129599, 553937, 557023, 10524803, 199971257]

約数ペア:

[(1, 199971257), (19, 10524803), (359, 557023), (361, 553937), (1543, 129599), (6821, 29317)]