1289816210

素因数分解:

$2^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{513871}}^1$

素因数の和:514129

約数の個数: 16

約数和(自身を含む): 2330923392

約数和(自身を除く): 1041107182

約数列:

[1, 2, 5, 10, 251, 502, 1255, 2510, 513871, 1027742, 2569355, 5138710, 128981621, 257963242, 644908105, 1289816210]

約数ペア:

[(1, 1289816210), (2, 644908105), (5, 257963242), (10, 128981621), (251, 5138710), (502, 2569355), (1255, 1027742), (2510, 513871)]