208790714

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{220709}}^1$

素因数の和:220765

約数の個数: 16

約数和(自身を含む): 349604640

約数和(自身を除く): 140813926

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 220709, 441418, 2427799, 4855598, 9490487, 18980974, 104395357, 208790714]

約数ペア:

[(1, 208790714), (2, 104395357), (11, 18980974), (22, 9490487), (43, 4855598), (86, 2427799), (473, 441418), (946, 220709)]