2780816

素因数分解:

$2^4\times {\mathrm{151}}^1\times {\mathrm{1151}}^1$

素因数の和:1310

約数の個数: 20

約数和(自身を含む): 5428224

約数和(自身を除く): 2647408

約数列:

[1, 2, 4, 8, 16, 151, 302, 604, 1151, 1208, 2302, 2416, 4604, 9208, 18416, 173801, 347602, 695204, 1390408, 2780816]

約数ペア:

[(1, 2780816), (2, 1390408), (4, 695204), (8, 347602), (16, 173801), (151, 18416), (302, 9208), (604, 4604), (1151, 2416), (1208, 2302)]