81301456

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{267439}}^1$

素因数の和:267466

約数の個数: 20

約数和(自身を含む): 165812800

約数和(自身を除く): 84511344

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 267439, 534878, 1069756, 2139512, 4279024, 5081341, 10162682, 20325364, 40650728, 81301456]

約数ペア:

[(1, 81301456), (2, 40650728), (4, 20325364), (8, 10162682), (16, 5081341), (19, 4279024), (38, 2139512), (76, 1069756), (152, 534878), (304, 267439)]