201225404

素因数分解:

$2^2\times {\mathrm{127}}^2\times {\mathrm{3119}}^1$

素因数の和:3377

約数の個数: 18

約数和(自身を含む): 355052880

約数和(自身を除く): 153827476

約数列:

[1, 2, 4, 127, 254, 508, 3119, 6238, 12476, 16129, 32258, 64516, 396113, 792226, 1584452, 50306351, 100612702, 201225404]

約数ペア:

[(1, 201225404), (2, 100612702), (4, 50306351), (127, 1584452), (254, 792226), (508, 396113), (3119, 64516), (6238, 32258), (12476, 16129)]