2149486648

素因数分解:

$2^3\times {\mathrm{431}}^1\times {\mathrm{623401}}^1$

素因数の和:623838

約数の個数: 16

約数和(自身を含む): 4039644960

約数和(自身を除く): 1890158312

約数列:

[1, 2, 4, 8, 431, 862, 1724, 3448, 623401, 1246802, 2493604, 4987208, 268685831, 537371662, 1074743324, 2149486648]

約数ペア:

[(1, 2149486648), (2, 1074743324), (4, 537371662), (8, 268685831), (431, 4987208), (862, 2493604), (1724, 1246802), (3448, 623401)]