249315568

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{820117}}^1$

素因数の和:820144

約数の個数: 20

約数和(自身を含む): 508473160

約数和(自身を除く): 259157592

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 820117, 1640234, 3280468, 6560936, 13121872, 15582223, 31164446, 62328892, 124657784, 249315568]

約数ペア:

[(1, 249315568), (2, 124657784), (4, 62328892), (8, 31164446), (16, 15582223), (19, 13121872), (38, 6560936), (76, 3280468), (152, 1640234), (304, 820117)]