489542396

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{857}}^1\times {\mathrm{887}}^1$

素因数の和:1778

約数の個数: 48

約数和(自身を含む): 1023998976

約数和(自身を除く): 534456580

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 857, 887, 1714, 1774, 3428, 3548, 5999, 6209, 11998, 12418, 19711, 20401, 23996, 24836, 39422, 40802, 78844, 81604, 137977, 142807, 275954, 285614, 551908, 571228, 760159, 1520318, 3040636, 5321113, 10642226, 17483657, 21284452, 34967314, 69934628, 122385599, 244771198, 489542396]

約数ペア:

[(1, 489542396), (2, 244771198), (4, 122385599), (7, 69934628), (14, 34967314), (23, 21284452), (28, 17483657), (46, 10642226), (92, 5321113), (161, 3040636), (322, 1520318), (644, 760159), (857, 571228), (887, 551908), (1714, 285614), (1774, 275954), (3428, 142807), (3548, 137977), (5999, 81604), (6209, 78844), (11998, 40802), (12418, 39422), (19711, 24836), (20401, 23996)]