51820964

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{61}}^1$

素因数の和:157

約数の個数: 72

約数和(自身を含む): 108602424

約数和(自身を除く): 56781460

約数列:

[1, 2, 4, 13, 17, 26, 31, 34, 52, 61, 62, 68, 122, 124, 221, 244, 403, 442, 527, 793, 806, 884, 961, 1037, 1054, 1586, 1612, 1891, 1922, 2074, 2108, 3172, 3782, 3844, 4148, 6851, 7564, 12493, 13481, 13702, 16337, 24583, 24986, 26962, 27404, 32147, 32674, 49166, 49972, 53924, 58621, 64294, 65348, 98332, 117242, 128588, 212381, 234484, 417911, 424762, 762073, 835822, 849524, 996557, 1524146, 1671644, 1993114, 3048292, 3986228, 12955241, 25910482, 51820964]

約数ペア:

[(1, 51820964), (2, 25910482), (4, 12955241), (13, 3986228), (17, 3048292), (26, 1993114), (31, 1671644), (34, 1524146), (52, 996557), (61, 849524), (62, 835822), (68, 762073), (122, 424762), (124, 417911), (221, 234484), (244, 212381), (403, 128588), (442, 117242), (527, 98332), (793, 65348), (806, 64294), (884, 58621), (961, 53924), (1037, 49972), (1054, 49166), (1586, 32674), (1612, 32147), (1891, 27404), (1922, 26962), (2074, 24986), (2108, 24583), (3172, 16337), (3782, 13702), (3844, 13481), (4148, 12493), (6851, 7564)]