27997264

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{19661}}^1$

素因数の和:19758

約数の個数: 20

約数和(自身を含む): 54856980

約数和(自身を除く): 26859716

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 19661, 39322, 78644, 157288, 314576, 1749829, 3499658, 6999316, 13998632, 27997264]

約数ペア:

[(1, 27997264), (2, 13998632), (4, 6999316), (8, 3499658), (16, 1749829), (89, 314576), (178, 157288), (356, 78644), (712, 39322), (1424, 19661)]