1663676144

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{7998443}}^1$

素因数の和:7998464

約数の個数: 20

約数和(自身を含む): 3471324696

約数和(自身を除く): 1807648552

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 7998443, 15996886, 31993772, 63987544, 103979759, 127975088, 207959518, 415919036, 831838072, 1663676144]

約数ペア:

[(1, 1663676144), (2, 831838072), (4, 415919036), (8, 207959518), (13, 127975088), (16, 103979759), (26, 63987544), (52, 31993772), (104, 15996886), (208, 7998443)]