1997275648

素因数分解:

$2^9\times {\mathrm{3900929}}^1$

素因数の和:3900947

約数の個数: 20

約数和(自身を含む): 3990651390

約数和(自身を除く): 1993375742

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 3900929, 7801858, 15603716, 31207432, 62414864, 124829728, 249659456, 499318912, 998637824, 1997275648]

約数ペア:

[(1, 1997275648), (2, 998637824), (4, 499318912), (8, 249659456), (16, 124829728), (32, 62414864), (64, 31207432), (128, 15603716), (256, 7801858), (512, 3900929)]