61978136

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{1489}}^1$

素因数の和:1560

約数の個数: 48

約数和(自身を含む): 130792200

約数和(自身を除く): 68814064

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 121, 172, 242, 344, 473, 484, 946, 968, 1489, 1892, 2978, 3784, 5203, 5956, 10406, 11912, 16379, 20812, 32758, 41624, 64027, 65516, 128054, 131032, 180169, 256108, 360338, 512216, 704297, 720676, 1408594, 1441352, 2817188, 5634376, 7747267, 15494534, 30989068, 61978136]

約数ペア:

[(1, 61978136), (2, 30989068), (4, 15494534), (8, 7747267), (11, 5634376), (22, 2817188), (43, 1441352), (44, 1408594), (86, 720676), (88, 704297), (121, 512216), (172, 360338), (242, 256108), (344, 180169), (473, 131032), (484, 128054), (946, 65516), (968, 64027), (1489, 41624), (1892, 32758), (2978, 20812), (3784, 16379), (5203, 11912), (5956, 10406)]