81003913490

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{114090019}}^1$

素因数の和:114090097

約数の個数: 16

約数和(自身を含む): 147860665920

約数和(自身を除く): 66856752430

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 114090019, 228180038, 570450095, 1140900190, 8100391349, 16200782698, 40501956745, 81003913490]

約数ペア:

[(1, 81003913490), (2, 40501956745), (5, 16200782698), (10, 8100391349), (71, 1140900190), (142, 570450095), (355, 228180038), (710, 114090019)]