12123415

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2243}}^1$

素因数の和:2318

約数の個数: 16

約数和(自身を含む): 15510528

約数和(自身を除く): 3387113

約数列:

[1, 5, 23, 47, 115, 235, 1081, 2243, 5405, 11215, 51589, 105421, 257945, 527105, 2424683, 12123415]

約数ペア:

[(1, 12123415), (5, 2424683), (23, 527105), (47, 257945), (115, 105421), (235, 51589), (1081, 11215), (2243, 5405)]