28703525

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:341

約数の個数: 24

約数和(自身を含む): 36676224

約数和(自身を除く): 7972699

約数列:

[1, 5, 25, 71, 103, 157, 355, 515, 785, 1775, 2575, 3925, 7313, 11147, 16171, 36565, 55735, 80855, 182825, 278675, 404275, 1148141, 5740705, 28703525]

約数ペア:

[(1, 28703525), (5, 5740705), (25, 1148141), (71, 404275), (103, 278675), (157, 182825), (355, 80855), (515, 55735), (785, 36565), (1775, 16171), (2575, 11147), (3925, 7313)]