408048464

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{129457}}^1$

素因数の和:129662

約数の個数: 20

約数和(自身を含む): 794613204

約数和(自身を除く): 386564740

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 129457, 258914, 517828, 1035656, 2071312, 25503029, 51006058, 102012116, 204024232, 408048464]

約数ペア:

[(1, 408048464), (2, 204024232), (4, 102012116), (8, 51006058), (16, 25503029), (197, 2071312), (394, 1035656), (788, 517828), (1576, 258914), (3152, 129457)]