642264816

素因数分解:

$2^4\times 3^1\times {\mathrm{13380517}}^1$

素因数の和:13380528

約数の個数: 20

約数和(自身を含む): 1659184232

約数和(自身を除く): 1016919416

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 13380517, 26761034, 40141551, 53522068, 80283102, 107044136, 160566204, 214088272, 321132408, 642264816]

約数ペア:

[(1, 642264816), (2, 321132408), (3, 214088272), (4, 160566204), (6, 107044136), (8, 80283102), (12, 53522068), (16, 40141551), (24, 26761034), (48, 13380517)]