81864524

素因数分解:

$2^2\times 7^1\times {\mathrm{313}}^1\times {\mathrm{9341}}^1$

素因数の和:9665

約数の個数: 24

約数和(自身を含む): 164269728

約数和(自身を除く): 82405204

約数列:

[1, 2, 4, 7, 14, 28, 313, 626, 1252, 2191, 4382, 8764, 9341, 18682, 37364, 65387, 130774, 261548, 2923733, 5847466, 11694932, 20466131, 40932262, 81864524]

約数ペア:

[(1, 81864524), (2, 40932262), (4, 20466131), (7, 11694932), (14, 5847466), (28, 2923733), (313, 261548), (626, 130774), (1252, 65387), (2191, 37364), (4382, 18682), (8764, 9341)]