28780312

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{911}}^1$

素因数の和:1287

約数の個数: 32

約数和(自身を含む): 59097600

約数和(自身を除く): 30317288

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 359, 718, 911, 1436, 1822, 2872, 3644, 3949, 7288, 7898, 10021, 15796, 20042, 31592, 40084, 80168, 327049, 654098, 1308196, 2616392, 3597539, 7195078, 14390156, 28780312]

約数ペア:

[(1, 28780312), (2, 14390156), (4, 7195078), (8, 3597539), (11, 2616392), (22, 1308196), (44, 654098), (88, 327049), (359, 80168), (718, 40084), (911, 31592), (1436, 20042), (1822, 15796), (2872, 10021), (3644, 7898), (3949, 7288)]