644559088

素因数分解:

$2^4\times {\mathrm{1213}}^1\times {\mathrm{33211}}^1$

素因数の和:34432

約数の個数: 20

約数和(自身を含む): 1249900408

約数和(自身を除く): 605341320

約数列:

[1, 2, 4, 8, 16, 1213, 2426, 4852, 9704, 19408, 33211, 66422, 132844, 265688, 531376, 40284943, 80569886, 161139772, 322279544, 644559088]

約数ペア:

[(1, 644559088), (2, 322279544), (4, 161139772), (8, 80569886), (16, 40284943), (1213, 531376), (2426, 265688), (4852, 132844), (9704, 66422), (19408, 33211)]