81209488

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{86027}}^1$

素因数の和:86094

約数の個数: 20

約数和(自身を含む): 160012080

約数和(自身を除く): 78802592

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 86027, 172054, 344108, 688216, 1376432, 5075593, 10151186, 20302372, 40604744, 81209488]

約数ペア:

[(1, 81209488), (2, 40604744), (4, 20302372), (8, 10151186), (16, 5075593), (59, 1376432), (118, 688216), (236, 344108), (472, 172054), (944, 86027)]