207840655

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{937}}^1$

素因数の和:1099

約数の個数: 32

約数和(自身を含む): 282300480

約数和(自身を除く): 74459825

約数列:

[1, 5, 11, 37, 55, 109, 185, 407, 545, 937, 1199, 2035, 4033, 4685, 5995, 10307, 20165, 34669, 44363, 51535, 102133, 173345, 221815, 381359, 510665, 1123463, 1906795, 3778921, 5617315, 18894605, 41568131, 207840655]

約数ペア:

[(1, 207840655), (5, 41568131), (11, 18894605), (37, 5617315), (55, 3778921), (109, 1906795), (185, 1123463), (407, 510665), (545, 381359), (937, 221815), (1199, 173345), (2035, 102133), (4033, 51535), (4685, 44363), (5995, 34669), (10307, 20165)]