28501772

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{17681}}^1$

素因数の和:17729

約数の個数: 24

約数和(自身を含む): 55450752

約数和(自身を除く): 26948980

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 17681, 35362, 70724, 229853, 459706, 548111, 919412, 1096222, 2192444, 7125443, 14250886, 28501772]

約数ペア:

[(1, 28501772), (2, 14250886), (4, 7125443), (13, 2192444), (26, 1096222), (31, 919412), (52, 548111), (62, 459706), (124, 229853), (403, 70724), (806, 35362), (1612, 17681)]