28215568

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{41011}}^1$

素因数の和:41062

約数の個数: 20

約数和(自身を含む): 55940368

約数和(自身を除く): 27724800

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 41011, 82022, 164044, 328088, 656176, 1763473, 3526946, 7053892, 14107784, 28215568]

約数ペア:

[(1, 28215568), (2, 14107784), (4, 7053892), (8, 3526946), (16, 1763473), (43, 656176), (86, 328088), (172, 164044), (344, 82022), (688, 41011)]