328563568

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{336643}}^1$

素因数の和:336712

約数の個数: 20

約数和(自身を含む): 647029768

約数和(自身を除く): 318466200

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 336643, 673286, 1346572, 2693144, 5386288, 20535223, 41070446, 82140892, 164281784, 328563568]

約数ペア:

[(1, 328563568), (2, 164281784), (4, 82140892), (8, 41070446), (16, 20535223), (61, 5386288), (122, 2693144), (244, 1346572), (488, 673286), (976, 336643)]