1991231141

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{599}}^1\times {\mathrm{7607}}^1$

素因数の和:8248

約数の個数: 16

約数和(自身を含む): 2191104000

約数和(自身を除く): 199872859

約数列:

[1, 19, 23, 437, 599, 7607, 11381, 13777, 144533, 174961, 261763, 3324259, 4556593, 86575267, 104801639, 1991231141]

約数ペア:

[(1, 1991231141), (19, 104801639), (23, 86575267), (437, 4556593), (599, 3324259), (7607, 261763), (11381, 174961), (13777, 144533)]