81408752

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{75941}}^1$

素因数の和:76016

約数の個数: 20

約数和(自身を含む): 160085736

約数和(自身を除く): 78676984

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 75941, 151882, 303764, 607528, 1215056, 5088047, 10176094, 20352188, 40704376, 81408752]

約数ペア:

[(1, 81408752), (2, 40704376), (4, 20352188), (8, 10176094), (16, 5088047), (67, 1215056), (134, 607528), (268, 303764), (536, 151882), (1072, 75941)]