81385346

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{607}}^1$

素因数の和:834

約数の個数: 32

約数和(自身を含む): 142943232

約数和(自身を除く): 61557886

約数列:

[1, 2, 7, 14, 61, 122, 157, 314, 427, 607, 854, 1099, 1214, 2198, 4249, 8498, 9577, 19154, 37027, 67039, 74054, 95299, 134078, 190598, 259189, 518378, 667093, 1334186, 5813239, 11626478, 40692673, 81385346]

約数ペア:

[(1, 81385346), (2, 40692673), (7, 11626478), (14, 5813239), (61, 1334186), (122, 667093), (157, 518378), (314, 259189), (427, 190598), (607, 134078), (854, 95299), (1099, 74054), (1214, 67039), (2198, 37027), (4249, 19154), (8498, 9577)]