1640883388

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{200401}}^1$

素因数の和:200517

約数の個数: 24

約数和(自身を含む): 3030078240

約数和(自身を除く): 1389194852

約数列:

[1, 2, 4, 23, 46, 89, 92, 178, 356, 2047, 4094, 8188, 200401, 400802, 801604, 4609223, 9218446, 17835689, 18436892, 35671378, 71342756, 410220847, 820441694, 1640883388]

約数ペア:

[(1, 1640883388), (2, 820441694), (4, 410220847), (23, 71342756), (46, 35671378), (89, 18436892), (92, 17835689), (178, 9218446), (356, 4609223), (2047, 801604), (4094, 400802), (8188, 200401)]