638526239

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{19391}}^1$

素因数の和:19570

約数の個数: 16

約数和(自身を含む): 733017600

約数和(自身を除く): 94491361

約数列:

[1, 13, 17, 149, 221, 1937, 2533, 19391, 32929, 252083, 329647, 2889259, 4285411, 37560367, 49117403, 638526239]

約数ペア:

[(1, 638526239), (13, 49117403), (17, 37560367), (149, 4285411), (221, 2889259), (1937, 329647), (2533, 252083), (19391, 32929)]