258015233

素因数分解:

$7^3\times {\mathrm{29}}^1\times {\mathrm{25939}}^1$

素因数の和:25989

約数の個数: 16

約数和(自身を含む): 311280000

約数和(自身を除く): 53264767

約数列:

[1, 7, 29, 49, 203, 343, 1421, 9947, 25939, 181573, 752231, 1271011, 5265617, 8897077, 36859319, 258015233]

約数ペア:

[(1, 258015233), (7, 36859319), (29, 8897077), (49, 5265617), (203, 1271011), (343, 752231), (1421, 181573), (9947, 25939)]