81683432

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{2141}}^1$

素因数の和:2417

約数の個数: 32

約数和(自身を含む): 161935200

約数和(自身を除く): 80251768

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 251, 502, 1004, 2008, 2141, 4282, 4769, 8564, 9538, 17128, 19076, 38152, 40679, 81358, 162716, 325432, 537391, 1074782, 2149564, 4299128, 10210429, 20420858, 40841716, 81683432]

約数ペア:

[(1, 81683432), (2, 40841716), (4, 20420858), (8, 10210429), (19, 4299128), (38, 2149564), (76, 1074782), (152, 537391), (251, 325432), (502, 162716), (1004, 81358), (2008, 40679), (2141, 38152), (4282, 19076), (4769, 17128), (8564, 9538)]