220290352

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{809891}}^1$

素因数の和:809916

約数の個数: 20

約数和(自身を含む): 451919736

約数和(自身を除く): 231629384

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 809891, 1619782, 3239564, 6479128, 12958256, 13768147, 27536294, 55072588, 110145176, 220290352]

約数ペア:

[(1, 220290352), (2, 110145176), (4, 55072588), (8, 27536294), (16, 13768147), (17, 12958256), (34, 6479128), (68, 3239564), (136, 1619782), (272, 809891)]