221041208

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{1625303}}^1$

素因数の和:1625326

約数の個数: 16

約数和(自身を含む): 438832080

約数和(自身を除く): 217790872

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 1625303, 3250606, 6501212, 13002424, 27630151, 55260302, 110520604, 221041208]

約数ペア:

[(1, 221041208), (2, 110520604), (4, 55260302), (8, 27630151), (17, 13002424), (34, 6501212), (68, 3250606), (136, 1625303)]