28289270

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{65789}}^1$

素因数の和:65839

約数の個数: 16

約数和(自身を含む): 52105680

約数和(自身を除く): 23816410

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 65789, 131578, 328945, 657890, 2828927, 5657854, 14144635, 28289270]

約数ペア:

[(1, 28289270), (2, 14144635), (5, 5657854), (10, 2828927), (43, 657890), (86, 328945), (215, 131578), (430, 65789)]