28453616

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{41357}}^1$

素因数の和:41408

約数の個数: 20

約数和(自身を含む): 56412312

約数和(自身を除く): 27958696

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 41357, 82714, 165428, 330856, 661712, 1778351, 3556702, 7113404, 14226808, 28453616]

約数ペア:

[(1, 28453616), (2, 14226808), (4, 7113404), (8, 3556702), (16, 1778351), (43, 661712), (86, 330856), (172, 165428), (344, 82714), (688, 41357)]