128217866

素因数分解:

$2^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{50599}}^1$

素因数の和:50789

約数の個数: 16

約数和(自身を含む): 221020800

約数和(自身を除く): 92802934

約数列:

[1, 2, 7, 14, 181, 362, 1267, 2534, 50599, 101198, 354193, 708386, 9158419, 18316838, 64108933, 128217866]

約数ペア:

[(1, 128217866), (2, 64108933), (7, 18316838), (14, 9158419), (181, 708386), (362, 354193), (1267, 101198), (2534, 50599)]