81145088

素因数分解:

$2^8\times {\mathrm{197}}^1\times {\mathrm{1609}}^1$

素因数の和:1822

約数の個数: 36

約数和(自身を含む): 162896580

約数和(自身を除く): 81751492

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 197, 256, 394, 788, 1576, 1609, 3152, 3218, 6304, 6436, 12608, 12872, 25216, 25744, 50432, 51488, 102976, 205952, 316973, 411904, 633946, 1267892, 2535784, 5071568, 10143136, 20286272, 40572544, 81145088]

約数ペア:

[(1, 81145088), (2, 40572544), (4, 20286272), (8, 10143136), (16, 5071568), (32, 2535784), (64, 1267892), (128, 633946), (197, 411904), (256, 316973), (394, 205952), (788, 102976), (1576, 51488), (1609, 50432), (3152, 25744), (3218, 25216), (6304, 12872), (6436, 12608)]