205717595

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{439}}^1$

素因数の和:647

約数の個数: 32

約数和(自身を含む): 270864000

約数和(自身を除く): 65146405

約数列:

[1, 5, 17, 37, 85, 149, 185, 439, 629, 745, 2195, 2533, 3145, 5513, 7463, 12665, 16243, 27565, 37315, 65411, 81215, 93721, 276131, 327055, 468605, 1111987, 1380655, 2420207, 5559935, 12101035, 41143519, 205717595]

約数ペア:

[(1, 205717595), (5, 41143519), (17, 12101035), (37, 5559935), (85, 2420207), (149, 1380655), (185, 1111987), (439, 468605), (629, 327055), (745, 276131), (2195, 93721), (2533, 81215), (3145, 65411), (5513, 37315), (7463, 27565), (12665, 16243)]