1997308144

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{9602443}}^1$

素因数の和:9602464

約数の個数: 20

約数和(自身を含む): 4167460696

約数和(自身を除く): 2170152552

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 9602443, 19204886, 38409772, 76819544, 124831759, 153639088, 249663518, 499327036, 998654072, 1997308144]

約数ペア:

[(1, 1997308144), (2, 998654072), (4, 499327036), (8, 249663518), (13, 153639088), (16, 124831759), (26, 76819544), (52, 38409772), (104, 19204886), (208, 9602443)]