28370975

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{311}}^1$

素因数の和:451

約数の個数: 24

約数和(自身を含む): 36560160

約数和(自身を除く): 8189185

約数列:

[1, 5, 25, 41, 89, 205, 311, 445, 1025, 1555, 2225, 3649, 7775, 12751, 18245, 27679, 63755, 91225, 138395, 318775, 691975, 1134839, 5674195, 28370975]

約数ペア:

[(1, 28370975), (5, 5674195), (25, 1134839), (41, 691975), (89, 318775), (205, 138395), (311, 91225), (445, 63755), (1025, 27679), (1555, 18245), (2225, 12751), (3649, 7775)]