166640816

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{101117}}^1$

素因数の和:101228

約数の個数: 20

約数和(自身を含む): 326004432

約数和(自身を除く): 159363616

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 101117, 202234, 404468, 808936, 1617872, 10415051, 20830102, 41660204, 83320408, 166640816]

約数ペア:

[(1, 166640816), (2, 83320408), (4, 41660204), (8, 20830102), (16, 10415051), (103, 1617872), (206, 808936), (412, 404468), (824, 202234), (1648, 101117)]