205121510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{14683}}^1$

素因数の和:14828

約数の個数: 32

約数和(自身を含む): 405983232

約数和(自身を除く): 200861722

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 127, 254, 635, 1270, 1397, 2794, 6985, 13970, 14683, 29366, 73415, 146830, 161513, 323026, 807565, 1615130, 1864741, 3729482, 9323705, 18647410, 20512151, 41024302, 102560755, 205121510]

約数ペア:

[(1, 205121510), (2, 102560755), (5, 41024302), (10, 20512151), (11, 18647410), (22, 9323705), (55, 3729482), (110, 1864741), (127, 1615130), (254, 807565), (635, 323026), (1270, 161513), (1397, 146830), (2794, 73415), (6985, 29366), (13970, 14683)]