389024356

素因数分解:

$2^2\times 7^1\times {\mathrm{353}}^1\times {\mathrm{39359}}^1$

素因数の和:39723

約数の個数: 24

約数和(自身を含む): 780272640

約数和(自身を除く): 391248284

約数列:

[1, 2, 4, 7, 14, 28, 353, 706, 1412, 2471, 4942, 9884, 39359, 78718, 157436, 275513, 551026, 1102052, 13893727, 27787454, 55574908, 97256089, 194512178, 389024356]

約数ペア:

[(1, 389024356), (2, 194512178), (4, 97256089), (7, 55574908), (14, 27787454), (28, 13893727), (353, 1102052), (706, 551026), (1412, 275513), (2471, 157436), (4942, 78718), (9884, 39359)]