209969342

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{1423}}^1$

素因数の和:1808

約数の個数: 32

約数和(自身を含む): 362949120

約数和(自身を除く): 152979778

約数列:

[1, 2, 11, 19, 22, 38, 209, 353, 418, 706, 1423, 2846, 3883, 6707, 7766, 13414, 15653, 27037, 31306, 54074, 73777, 147554, 297407, 502319, 594814, 1004638, 5525509, 9544061, 11051018, 19088122, 104984671, 209969342]

約数ペア:

[(1, 209969342), (2, 104984671), (11, 19088122), (19, 11051018), (22, 9544061), (38, 5525509), (209, 1004638), (353, 594814), (418, 502319), (706, 297407), (1423, 147554), (2846, 73777), (3883, 54074), (6707, 31306), (7766, 27037), (13414, 15653)]