209916248

素因数分解:

$2^3\times {\mathrm{491}}^1\times {\mathrm{53441}}^1$

素因数の和:53938

約数の個数: 16

約数和(自身を含む): 394401960

約数和(自身を除く): 184485712

約数列:

[1, 2, 4, 8, 491, 982, 1964, 3928, 53441, 106882, 213764, 427528, 26239531, 52479062, 104958124, 209916248]

約数ペア:

[(1, 209916248), (2, 104958124), (4, 52479062), (8, 26239531), (491, 427528), (982, 213764), (1964, 106882), (3928, 53441)]