81751678

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{4409}}^1$

素因数の和:4611

約数の個数: 16

約数和(自身を含む): 125314560

約数和(自身を除く): 43562882

約数列:

[1, 2, 73, 127, 146, 254, 4409, 8818, 9271, 18542, 321857, 559943, 643714, 1119886, 40875839, 81751678]

約数ペア:

[(1, 81751678), (2, 40875839), (73, 1119886), (127, 643714), (146, 559943), (254, 321857), (4409, 18542), (8818, 9271)]