28785719

素因数分解:

${\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{419}}^1$

素因数の和:574

約数の個数: 16

約数和(自身を含む): 31449600

約数和(自身を除く): 2663881

約数列:

[1, 23, 29, 103, 419, 667, 2369, 2987, 9637, 12151, 43157, 68701, 279473, 992611, 1251553, 28785719]

約数ペア:

[(1, 28785719), (23, 1251553), (29, 992611), (103, 279473), (419, 68701), (667, 43157), (2369, 12151), (2987, 9637)]