211208

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{1553}}^1$

素因数の和:1576

約数の個数: 16

約数和(自身を含む): 419580

約数和(自身を除く): 208372

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 1553, 3106, 6212, 12424, 26401, 52802, 105604, 211208]

約数ペア:

[(1, 211208), (2, 105604), (4, 52802), (8, 26401), (17, 12424), (34, 6212), (68, 3106), (136, 1553)]