81006385

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{1319}}^1$

素因数の和:1568

約数の個数: 16

約数和(自身を含む): 99221760

約数和(自身を除く): 18215375

約数列:

[1, 5, 71, 173, 355, 865, 1319, 6595, 12283, 61415, 93649, 228187, 468245, 1140935, 16201277, 81006385]

約数ペア:

[(1, 81006385), (5, 16201277), (71, 1140935), (173, 468245), (355, 228187), (865, 93649), (1319, 61415), (6595, 12283)]