28804993

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{419}}^1$

素因数の和:517

約数の個数: 24

約数和(自身を含む): 35622720

約数和(自身を除く): 6817727

約数列:

[1, 7, 23, 49, 61, 161, 419, 427, 1127, 1403, 2933, 2989, 9637, 9821, 20531, 25559, 67459, 68747, 178913, 472213, 587857, 1252391, 4114999, 28804993]

約数ペア:

[(1, 28804993), (7, 4114999), (23, 1252391), (49, 587857), (61, 472213), (161, 178913), (419, 68747), (427, 67459), (1127, 25559), (1403, 20531), (2933, 9821), (2989, 9637)]