249163568

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{819617}}^1$

素因数の和:819644

約数の個数: 20

約数和(自身を含む): 508163160

約数和(自身を除く): 258999592

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 819617, 1639234, 3278468, 6556936, 13113872, 15572723, 31145446, 62290892, 124581784, 249163568]

約数ペア:

[(1, 249163568), (2, 124581784), (4, 62290892), (8, 31145446), (16, 15572723), (19, 13113872), (38, 6556936), (76, 3278468), (152, 1639234), (304, 819617)]