200828816

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{30689}}^1$

素因数の和:31106

約数の個数: 20

約数和(自身を含む): 390069900

約数和(自身を除く): 189241084

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 3272, 6544, 30689, 61378, 122756, 245512, 491024, 12551801, 25103602, 50207204, 100414408, 200828816]

約数ペア:

[(1, 200828816), (2, 100414408), (4, 50207204), (8, 25103602), (16, 12551801), (409, 491024), (818, 245512), (1636, 122756), (3272, 61378), (6544, 30689)]