128320256

素因数分解:

$2^8\times {\mathrm{43}}^1\times {\mathrm{11657}}^1$

素因数の和:11716

約数の個数: 36

約数和(自身を含む): 262118472

約数和(自身を除く): 133798216

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 256, 344, 688, 1376, 2752, 5504, 11008, 11657, 23314, 46628, 93256, 186512, 373024, 501251, 746048, 1002502, 1492096, 2005004, 2984192, 4010008, 8020016, 16040032, 32080064, 64160128, 128320256]

約数ペア:

[(1, 128320256), (2, 64160128), (4, 32080064), (8, 16040032), (16, 8020016), (32, 4010008), (43, 2984192), (64, 2005004), (86, 1492096), (128, 1002502), (172, 746048), (256, 501251), (344, 373024), (688, 186512), (1376, 93256), (2752, 46628), (5504, 23314), (11008, 11657)]