638004112

素因数分解:

$2^4\times {\mathrm{647}}^1\times {\mathrm{61631}}^1$

素因数の和:62286

約数の個数: 20

約数和(自身を含む): 1238063616

約数和(自身を除く): 600059504

約数列:

[1, 2, 4, 8, 16, 647, 1294, 2588, 5176, 10352, 61631, 123262, 246524, 493048, 986096, 39875257, 79750514, 159501028, 319002056, 638004112]

約数ペア:

[(1, 638004112), (2, 319002056), (4, 159501028), (8, 79750514), (16, 39875257), (647, 986096), (1294, 493048), (2588, 246524), (5176, 123262), (10352, 61631)]