81518768

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{175687}}^1$

素因数の和:175724

約数の個数: 20

約数和(自身を含む): 163389840

約数和(自身を除く): 81871072

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 175687, 351374, 702748, 1405496, 2810992, 5094923, 10189846, 20379692, 40759384, 81518768]

約数ペア:

[(1, 81518768), (2, 40759384), (4, 20379692), (8, 10189846), (16, 5094923), (29, 2810992), (58, 1405496), (116, 702748), (232, 351374), (464, 175687)]