209969276

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{9719}}^1$

素因数の和:10225

約数の個数: 24

約数和(自身を含む): 401708160

約数和(自身を除く): 191738884

約数列:

[1, 2, 4, 11, 22, 44, 491, 982, 1964, 5401, 9719, 10802, 19438, 21604, 38876, 106909, 213818, 427636, 4772029, 9544058, 19088116, 52492319, 104984638, 209969276]

約数ペア:

[(1, 209969276), (2, 104984638), (4, 52492319), (11, 19088116), (22, 9544058), (44, 4772029), (491, 427636), (982, 213818), (1964, 106909), (5401, 38876), (9719, 21604), (10802, 19438)]