2780804

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1009}}^1$

素因数の和:1079

約数の個数: 24

約数和(自身を含む): 5344920

約数和(自身を除く): 2564116

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 689, 1009, 1378, 2018, 2756, 4036, 13117, 26234, 52468, 53477, 106954, 213908, 695201, 1390402, 2780804]

約数ペア:

[(1, 2780804), (2, 1390402), (4, 695201), (13, 213908), (26, 106954), (52, 53477), (53, 52468), (106, 26234), (212, 13117), (689, 4036), (1009, 2756), (1378, 2018)]