51572144

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{247943}}^1$

素因数の和:247964

約数の個数: 20

約数和(自身を含む): 107607696

約数和(自身を除く): 56035552

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 247943, 495886, 991772, 1983544, 3223259, 3967088, 6446518, 12893036, 25786072, 51572144]

約数ペア:

[(1, 51572144), (2, 25786072), (4, 12893036), (8, 6446518), (13, 3967088), (16, 3223259), (26, 1983544), (52, 991772), (104, 495886), (208, 247943)]