221758004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137567}}^1$

素因数の和:137615

約数の個数: 24

約数和(自身を含む): 431413248

約数和(自身を除く): 209655244

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 137567, 275134, 550268, 1788371, 3576742, 4264577, 7153484, 8529154, 17058308, 55439501, 110879002, 221758004]

約数ペア:

[(1, 221758004), (2, 110879002), (4, 55439501), (13, 17058308), (26, 8529154), (31, 7153484), (52, 4264577), (62, 3576742), (124, 1788371), (403, 550268), (806, 275134), (1612, 137567)]