28197379

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{4073}}^1$

素因数の和:4146

約数の個数: 16

約数和(自身を含む): 34417152

約数和(自身を除く): 6219773

約数列:

[1, 7, 23, 43, 161, 301, 989, 4073, 6923, 28511, 93679, 175139, 655753, 1225973, 4028197, 28197379]

約数ペア:

[(1, 28197379), (7, 4028197), (23, 1225973), (43, 655753), (161, 175139), (301, 93679), (989, 28511), (4073, 6923)]