28444247

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:227

約数の個数: 24

約数和(自身を含む): 33318096

約数和(自身を除く): 4873849

約数列:

[1, 13, 17, 67, 113, 221, 289, 871, 1139, 1469, 1921, 3757, 7571, 14807, 19363, 24973, 32657, 98423, 128707, 251719, 424541, 1673191, 2188019, 28444247]

約数ペア:

[(1, 28444247), (13, 2188019), (17, 1673191), (67, 424541), (113, 251719), (221, 128707), (289, 98423), (871, 32657), (1139, 24973), (1469, 19363), (1921, 14807), (3757, 7571)]