205315024

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{2789}}^1$

素因数の和:2947

約数の個数: 40

約数和(自身を含む): 411000480

約数和(自身を除く): 205685456

約数列:

[1, 2, 4, 8, 16, 43, 86, 107, 172, 214, 344, 428, 688, 856, 1712, 2789, 4601, 5578, 9202, 11156, 18404, 22312, 36808, 44624, 73616, 119927, 239854, 298423, 479708, 596846, 959416, 1193692, 1918832, 2387384, 4774768, 12832189, 25664378, 51328756, 102657512, 205315024]

約数ペア:

[(1, 205315024), (2, 102657512), (4, 51328756), (8, 25664378), (16, 12832189), (43, 4774768), (86, 2387384), (107, 1918832), (172, 1193692), (214, 959416), (344, 596846), (428, 479708), (688, 298423), (856, 239854), (1712, 119927), (2789, 73616), (4601, 44624), (5578, 36808), (9202, 22312), (11156, 18404)]