639331328

素因数分解:

$2^{10}\times {\mathrm{624347}}^1$

素因数の和:624367

約数の個数: 22

約数和(自身を含む): 1278040356

約数和(自身を除く): 638709028

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 624347, 1248694, 2497388, 4994776, 9989552, 19979104, 39958208, 79916416, 159832832, 319665664, 639331328]

約数ペア:

[(1, 639331328), (2, 319665664), (4, 159832832), (8, 79916416), (16, 39958208), (32, 19979104), (64, 9989552), (128, 4994776), (256, 2497388), (512, 1248694), (1024, 624347)]