28109381

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:173

約数の個数: 32

約数和(自身を含む): 33488640

約数和(自身を除く): 5379259

約数列:

[1, 17, 23, 29, 37, 67, 391, 493, 629, 667, 851, 1073, 1139, 1541, 1943, 2479, 11339, 14467, 18241, 24679, 26197, 33031, 42143, 44689, 57017, 71891, 419543, 759713, 969289, 1222147, 1653493, 28109381]

約数ペア:

[(1, 28109381), (17, 1653493), (23, 1222147), (29, 969289), (37, 759713), (67, 419543), (391, 71891), (493, 57017), (629, 44689), (667, 42143), (851, 33031), (1073, 26197), (1139, 24679), (1541, 18241), (1943, 14467), (2479, 11339)]