2563408

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{1223}}^1$

素因数の和:1362

約数の個数: 20

約数和(自身を含む): 5008608

約数和(自身を除く): 2445200

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 1223, 2096, 2446, 4892, 9784, 19568, 160213, 320426, 640852, 1281704, 2563408]

約数ペア:

[(1, 2563408), (2, 1281704), (4, 640852), (8, 320426), (16, 160213), (131, 19568), (262, 9784), (524, 4892), (1048, 2446), (1223, 2096)]