81515236

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{12269}}^1$

素因数の和:12435

約数の個数: 24

約数和(自身を含む): 156663360

約数和(自身を除く): 75148124

約数列:

[1, 2, 4, 11, 22, 44, 151, 302, 604, 1661, 3322, 6644, 12269, 24538, 49076, 134959, 269918, 539836, 1852619, 3705238, 7410476, 20378809, 40757618, 81515236]

約数ペア:

[(1, 81515236), (2, 40757618), (4, 20378809), (11, 7410476), (22, 3705238), (44, 1852619), (151, 539836), (302, 269918), (604, 134959), (1661, 49076), (3322, 24538), (6644, 12269)]