78890045

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{1049}}^1$

素因数の和:1169

約数の個数: 24

約数和(自身を含む): 103761000

約数和(自身を除く): 24870955

約数列:

[1, 5, 13, 65, 89, 169, 445, 845, 1049, 1157, 5245, 5785, 13637, 15041, 68185, 75205, 93361, 177281, 466805, 886405, 1213693, 6068465, 15778009, 78890045]

約数ペア:

[(1, 78890045), (5, 15778009), (13, 6068465), (65, 1213693), (89, 886405), (169, 466805), (445, 177281), (845, 93361), (1049, 75205), (1157, 68185), (5245, 15041), (5785, 13637)]