221435312

素因数分解:

$2^4\times 7^3\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:443

約数の個数: 80

約数和(自身を含む): 505473600

約数和(自身を除く): 284038288

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 157, 196, 257, 314, 343, 392, 514, 628, 686, 784, 1028, 1099, 1256, 1372, 1799, 2056, 2198, 2512, 2744, 3598, 4112, 4396, 5488, 7196, 7693, 8792, 12593, 14392, 15386, 17584, 25186, 28784, 30772, 40349, 50372, 53851, 61544, 80698, 88151, 100744, 107702, 123088, 161396, 176302, 201488, 215404, 282443, 322792, 352604, 430808, 564886, 645584, 705208, 861616, 1129772, 1410416, 1977101, 2259544, 3954202, 4519088, 7908404, 13839707, 15816808, 27679414, 31633616, 55358828, 110717656, 221435312]

約数ペア:

[(1, 221435312), (2, 110717656), (4, 55358828), (7, 31633616), (8, 27679414), (14, 15816808), (16, 13839707), (28, 7908404), (49, 4519088), (56, 3954202), (98, 2259544), (112, 1977101), (157, 1410416), (196, 1129772), (257, 861616), (314, 705208), (343, 645584), (392, 564886), (514, 430808), (628, 352604), (686, 322792), (784, 282443), (1028, 215404), (1099, 201488), (1256, 176302), (1372, 161396), (1799, 123088), (2056, 107702), (2198, 100744), (2512, 88151), (2744, 80698), (3598, 61544), (4112, 53851), (4396, 50372), (5488, 40349), (7196, 30772), (7693, 28784), (8792, 25186), (12593, 17584), (14392, 15386)]