199902287

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{557}}^1\times {\mathrm{1453}}^1$

素因数の和:2042

約数の個数: 16

約数和(自身を含む): 227172960

約数和(自身を除く): 27270673

約数列:

[1, 13, 19, 247, 557, 1453, 7241, 10583, 18889, 27607, 137579, 358891, 809321, 10521173, 15377099, 199902287]

約数ペア:

[(1, 199902287), (13, 15377099), (19, 10521173), (247, 809321), (557, 358891), (1453, 137579), (7241, 27607), (10583, 18889)]