257258166

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1\times {\mathrm{347}}^1$

素因数の和:649

約数の個数: 64

約数和(自身を含む): 577290240

約数和(自身を除く): 320032074

約数列:

[1, 2, 3, 6, 11, 22, 33, 47, 66, 94, 141, 239, 282, 347, 478, 517, 694, 717, 1034, 1041, 1434, 1551, 2082, 2629, 3102, 3817, 5258, 7634, 7887, 11233, 11451, 15774, 16309, 22466, 22902, 32618, 33699, 48927, 67398, 82933, 97854, 123563, 165866, 179399, 247126, 248799, 358798, 370689, 497598, 538197, 741378, 912263, 1076394, 1824526, 2736789, 3897851, 5473578, 7795702, 11693553, 23387106, 42876361, 85752722, 128629083, 257258166]

約数ペア:

[(1, 257258166), (2, 128629083), (3, 85752722), (6, 42876361), (11, 23387106), (22, 11693553), (33, 7795702), (47, 5473578), (66, 3897851), (94, 2736789), (141, 1824526), (239, 1076394), (282, 912263), (347, 741378), (478, 538197), (517, 497598), (694, 370689), (717, 358798), (1034, 248799), (1041, 247126), (1434, 179399), (1551, 165866), (2082, 123563), (2629, 97854), (3102, 82933), (3817, 67398), (5258, 48927), (7634, 33699), (7887, 32618), (11233, 22902), (11451, 22466), (15774, 16309)]