254831488

素因数分解:

$2^7\times {\mathrm{1990871}}^1$

素因数の和:1990885

約数の個数: 16

約数和(自身を含む): 507672360

約数和(自身を除く): 252840872

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 1990871, 3981742, 7963484, 15926968, 31853936, 63707872, 127415744, 254831488]

約数ペア:

[(1, 254831488), (2, 127415744), (4, 63707872), (8, 31853936), (16, 15926968), (32, 7963484), (64, 3981742), (128, 1990871)]