81439354

素因数分解:

$2^1\times {\mathrm{157}}^1\times {\mathrm{419}}^1\times {\mathrm{619}}^1$

素因数の和:1197

約数の個数: 16

約数和(自身を含む): 123429600

約数和(自身を除く): 41990246

約数列:

[1, 2, 157, 314, 419, 619, 838, 1238, 65783, 97183, 131566, 194366, 259361, 518722, 40719677, 81439354]

約数ペア:

[(1, 81439354), (2, 40719677), (157, 518722), (314, 259361), (419, 194366), (619, 131566), (838, 97183), (1238, 65783)]