389926523

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1$

素因数の和:443

約数の個数: 32

約数和(自身を含む): 471840768

約数和(自身を除く): 81914245

約数列:

[1, 7, 41, 47, 137, 211, 287, 329, 959, 1477, 1927, 5617, 6439, 8651, 9917, 13489, 28907, 39319, 45073, 60557, 69419, 202349, 263999, 406597, 1185187, 1358629, 1847993, 2846179, 8296309, 9510403, 55703789, 389926523]

約数ペア:

[(1, 389926523), (7, 55703789), (41, 9510403), (47, 8296309), (137, 2846179), (211, 1847993), (287, 1358629), (329, 1185187), (959, 406597), (1477, 263999), (1927, 202349), (5617, 69419), (6439, 60557), (8651, 45073), (9917, 39319), (13489, 28907)]