28208816

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{17117}}^1$

素因数の和:17228

約数の個数: 20

約数和(自身を含む): 55188432

約数和(自身を除く): 26979616

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 17117, 34234, 68468, 136936, 273872, 1763051, 3526102, 7052204, 14104408, 28208816]

約数ペア:

[(1, 28208816), (2, 14104408), (4, 7052204), (8, 3526102), (16, 1763051), (103, 273872), (206, 136936), (412, 68468), (824, 34234), (1648, 17117)]