208973816

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{253609}}^1$

素因数の和:253718

約数の個数: 16

約数和(自身を含む): 395631600

約数和(自身を除く): 186657784

約数列:

[1, 2, 4, 8, 103, 206, 412, 824, 253609, 507218, 1014436, 2028872, 26121727, 52243454, 104486908, 208973816]

約数ペア:

[(1, 208973816), (2, 104486908), (4, 52243454), (8, 26121727), (103, 2028872), (206, 1014436), (412, 507218), (824, 253609)]