238265872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1145509}}^1$

素因数の和:1145530

約数の個数: 20

約数和(自身を含む): 497151340

約数和(自身を除く): 258885468

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1145509, 2291018, 4582036, 9164072, 14891617, 18328144, 29783234, 59566468, 119132936, 238265872]

約数ペア:

[(1, 238265872), (2, 119132936), (4, 59566468), (8, 29783234), (13, 18328144), (16, 14891617), (26, 9164072), (52, 4582036), (104, 2291018), (208, 1145509)]