28414555

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:267

約数の個数: 32

約数和(自身を含む): 38320128

約数和(自身を除く): 9905573

約数列:

[1, 5, 13, 47, 65, 71, 131, 235, 355, 611, 655, 923, 1703, 3055, 3337, 4615, 6157, 8515, 9301, 16685, 30785, 43381, 46505, 80041, 120913, 216905, 400205, 437147, 604565, 2185735, 5682911, 28414555]

約数ペア:

[(1, 28414555), (5, 5682911), (13, 2185735), (47, 604565), (65, 437147), (71, 400205), (131, 216905), (235, 120913), (355, 80041), (611, 46505), (655, 43381), (923, 30785), (1703, 16685), (3055, 9301), (3337, 8515), (4615, 6157)]