2647964

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{5471}}^1$

素因数の和:5497

約数の個数: 18

約数和(自身を含む): 5094432

約数和(自身を除く): 2446468

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 5471, 10942, 21884, 60181, 120362, 240724, 661991, 1323982, 2647964]

約数ペア:

[(1, 2647964), (2, 1323982), (4, 661991), (11, 240724), (22, 120362), (44, 60181), (121, 21884), (242, 10942), (484, 5471)]