1990657949

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{1453}}^1\times {\mathrm{10301}}^1$

素因数の和:11780

約数の個数: 16

約数和(自身を含む): 2396657280

約数和(自身を除く): 405999331

約数列:

[1, 7, 19, 133, 1453, 10171, 10301, 27607, 72107, 193249, 195719, 1370033, 14967353, 104771471, 284379707, 1990657949]

約数ペア:

[(1, 1990657949), (7, 284379707), (19, 104771471), (133, 14967353), (1453, 1370033), (10171, 195719), (10301, 193249), (27607, 72107)]