78628858

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:403

約数の個数: 64

約数和(自身を含む): 155934720

約数和(自身を除く): 77305862

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 77, 79, 154, 158, 161, 253, 281, 322, 506, 553, 562, 869, 1106, 1738, 1771, 1817, 1967, 3091, 3542, 3634, 3934, 6083, 6182, 6463, 12166, 12719, 12926, 19987, 21637, 22199, 25438, 39974, 43274, 44398, 45241, 71093, 90482, 139909, 142186, 155393, 244189, 279818, 310786, 488378, 497651, 510577, 995302, 1021154, 1709323, 3418646, 3574039, 5616347, 7148078, 11232694, 39314429, 78628858]

約数ペア:

[(1, 78628858), (2, 39314429), (7, 11232694), (11, 7148078), (14, 5616347), (22, 3574039), (23, 3418646), (46, 1709323), (77, 1021154), (79, 995302), (154, 510577), (158, 497651), (161, 488378), (253, 310786), (281, 279818), (322, 244189), (506, 155393), (553, 142186), (562, 139909), (869, 90482), (1106, 71093), (1738, 45241), (1771, 44398), (1817, 43274), (1967, 39974), (3091, 25438), (3542, 22199), (3634, 21637), (3934, 19987), (6083, 12926), (6182, 12719), (6463, 12166)]