201989971

素因数分解:

${\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{1787}}^1$

素因数の和:1974

約数の個数: 16

約数和(自身を含む): 219494880

約数和(自身を除く): 17504909

約数列:

[1, 17, 61, 109, 1037, 1787, 1853, 6649, 30379, 109007, 113033, 194783, 1853119, 3311311, 11881763, 201989971]

約数ペア:

[(1, 201989971), (17, 11881763), (61, 3311311), (109, 1853119), (1037, 194783), (1787, 113033), (1853, 109007), (6649, 30379)]