81180928

素因数分解:

$2^8\times {\mathrm{233}}^1\times {\mathrm{1361}}^1$

素因数の和:1610

約数の個数: 36

約数和(自身を含む): 162859788

約数和(自身を除く): 81678860

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 233, 256, 466, 932, 1361, 1864, 2722, 3728, 5444, 7456, 10888, 14912, 21776, 29824, 43552, 59648, 87104, 174208, 317113, 348416, 634226, 1268452, 2536904, 5073808, 10147616, 20295232, 40590464, 81180928]

約数ペア:

[(1, 81180928), (2, 40590464), (4, 20295232), (8, 10147616), (16, 5073808), (32, 2536904), (64, 1268452), (128, 634226), (233, 348416), (256, 317113), (466, 174208), (932, 87104), (1361, 59648), (1864, 43552), (2722, 29824), (3728, 21776), (5444, 14912), (7456, 10888)]