128538486

素因数分解:

$2^1\times 3^2\times {\mathrm{631}}^1\times {\mathrm{11317}}^1$

素因数の和:11956

約数の個数: 24

約数和(自身を含む): 278966064

約数和(自身を除く): 150427578

約数列:

[1, 2, 3, 6, 9, 18, 631, 1262, 1893, 3786, 5679, 11317, 11358, 22634, 33951, 67902, 101853, 203706, 7141027, 14282054, 21423081, 42846162, 64269243, 128538486]

約数ペア:

[(1, 128538486), (2, 64269243), (3, 42846162), (6, 21423081), (9, 14282054), (18, 7141027), (631, 203706), (1262, 101853), (1893, 67902), (3786, 33951), (5679, 22634), (11317, 11358)]