128217426

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{689341}}^1$

素因数の和:689377

約数の個数: 16

約数和(自身を含む): 264707328

約数和(自身を除く): 136489902

約数列:

[1, 2, 3, 6, 31, 62, 93, 186, 689341, 1378682, 2068023, 4136046, 21369571, 42739142, 64108713, 128217426]

約数ペア:

[(1, 128217426), (2, 64108713), (3, 42739142), (6, 21369571), (31, 4136046), (62, 2068023), (93, 1378682), (186, 689341)]