128437465

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{8941}}^1$

素因数の和:8989

約数の個数: 24

約数和(自身を含む): 176729688

約数和(自身を除く): 48292223

約数列:

[1, 5, 13, 17, 65, 85, 169, 221, 845, 1105, 2873, 8941, 14365, 44705, 116233, 151997, 581165, 759985, 1511029, 1975961, 7555145, 9879805, 25687493, 128437465]

約数ペア:

[(1, 128437465), (5, 25687493), (13, 9879805), (17, 7555145), (65, 1975961), (85, 1511029), (169, 759985), (221, 581165), (845, 151997), (1105, 116233), (2873, 44705), (8941, 14365)]