81294986

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{281}}^1$

素因数の和:494

約数の個数: 32

約数和(自身を含む): 132544512

約数和(自身を除く): 51249526

約数列:

[1, 2, 17, 34, 67, 127, 134, 254, 281, 562, 1139, 2159, 2278, 4318, 4777, 8509, 9554, 17018, 18827, 35687, 37654, 71374, 144653, 289306, 320059, 606679, 640118, 1213358, 2391029, 4782058, 40647493, 81294986]

約数ペア:

[(1, 81294986), (2, 40647493), (17, 4782058), (34, 2391029), (67, 1213358), (127, 640118), (134, 606679), (254, 320059), (281, 289306), (562, 144653), (1139, 71374), (2159, 37654), (2278, 35687), (4318, 18827), (4777, 17018), (8509, 9554)]