81301586

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1\times {\mathrm{2153}}^1$

素因数の和:2473

約数の個数: 16

約数和(自身を含む): 124070400

約数和(自身を除く): 42768814

約数列:

[1, 2, 79, 158, 239, 478, 2153, 4306, 18881, 37762, 170087, 340174, 514567, 1029134, 40650793, 81301586]

約数ペア:

[(1, 81301586), (2, 40650793), (79, 1029134), (158, 514567), (239, 340174), (478, 170087), (2153, 37762), (4306, 18881)]