245982128

素因数分解:

$2^4\times 7^1\times {\mathrm{103}}^1\times {\mathrm{21323}}^1$

素因数の和:21441

約数の個数: 40

約数和(自身を含む): 549988608

約数和(自身を除く): 304006480

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 103, 112, 206, 412, 721, 824, 1442, 1648, 2884, 5768, 11536, 21323, 42646, 85292, 149261, 170584, 298522, 341168, 597044, 1194088, 2196269, 2388176, 4392538, 8785076, 15373883, 17570152, 30747766, 35140304, 61495532, 122991064, 245982128]

約数ペア:

[(1, 245982128), (2, 122991064), (4, 61495532), (7, 35140304), (8, 30747766), (14, 17570152), (16, 15373883), (28, 8785076), (56, 4392538), (103, 2388176), (112, 2196269), (206, 1194088), (412, 597044), (721, 341168), (824, 298522), (1442, 170584), (1648, 149261), (2884, 85292), (5768, 42646), (11536, 21323)]