128829145

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{21347}}^1$

素因数の和:21440

約数の個数: 16

約数和(自身を含む): 166002048

約数和(自身を除く): 37172903

約数列:

[1, 5, 17, 71, 85, 355, 1207, 6035, 21347, 106735, 362899, 1515637, 1814495, 7578185, 25765829, 128829145]

約数ペア:

[(1, 128829145), (5, 25765829), (17, 7578185), (71, 1814495), (85, 1515637), (355, 362899), (1207, 106735), (6035, 21347)]