81624738

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{28283}}^1$

素因数の和:28338

約数の個数: 32

約数和(自身を含む): 180565056

約数和(自身を除く): 98940318

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 111, 222, 481, 962, 1443, 2886, 28283, 56566, 84849, 169698, 367679, 735358, 1046471, 1103037, 2092942, 2206074, 3139413, 6278826, 13604123, 27208246, 40812369, 81624738]

約数ペア:

[(1, 81624738), (2, 40812369), (3, 27208246), (6, 13604123), (13, 6278826), (26, 3139413), (37, 2206074), (39, 2092942), (74, 1103037), (78, 1046471), (111, 735358), (222, 367679), (481, 169698), (962, 84849), (1443, 56566), (2886, 28283)]