81877504

素因数分解:

$2^9\times {\mathrm{43}}^1\times {\mathrm{3719}}^1$

素因数の和:3780

約数の個数: 40

約数和(自身を含む): 167444640

約数和(自身を除く): 85567136

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 256, 344, 512, 688, 1376, 2752, 3719, 5504, 7438, 11008, 14876, 22016, 29752, 59504, 119008, 159917, 238016, 319834, 476032, 639668, 952064, 1279336, 1904128, 2558672, 5117344, 10234688, 20469376, 40938752, 81877504]

約数ペア:

[(1, 81877504), (2, 40938752), (4, 20469376), (8, 10234688), (16, 5117344), (32, 2558672), (43, 1904128), (64, 1279336), (86, 952064), (128, 639668), (172, 476032), (256, 319834), (344, 238016), (512, 159917), (688, 119008), (1376, 59504), (2752, 29752), (3719, 22016), (5504, 14876), (7438, 11008)]