81610288

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{76129}}^1$

素因数の和:76204

約数の個数: 20

約数和(自身を含む): 160482040

約数和(自身を除く): 78871752

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 76129, 152258, 304516, 609032, 1218064, 5100643, 10201286, 20402572, 40805144, 81610288]

約数ペア:

[(1, 81610288), (2, 40805144), (4, 20402572), (8, 10201286), (16, 5100643), (67, 1218064), (134, 609032), (268, 304516), (536, 152258), (1072, 76129)]