81139768

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{2549}}^1$

素因数の和:2751

約数の個数: 32

約数和(自身を含む): 159732000

約数和(自身を除く): 78592232

約数列:

[1, 2, 4, 8, 23, 46, 92, 173, 184, 346, 692, 1384, 2549, 3979, 5098, 7958, 10196, 15916, 20392, 31832, 58627, 117254, 234508, 440977, 469016, 881954, 1763908, 3527816, 10142471, 20284942, 40569884, 81139768]

約数ペア:

[(1, 81139768), (2, 40569884), (4, 20284942), (8, 10142471), (23, 3527816), (46, 1763908), (92, 881954), (173, 469016), (184, 440977), (346, 234508), (692, 117254), (1384, 58627), (2549, 31832), (3979, 20392), (5098, 15916), (7958, 10196)]