128193722

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{71777}}^1$

素因数の和:71845

約数の個数: 16

約数和(自身を含む): 206720640

約数和(自身を除く): 78526918

約数列:

[1, 2, 19, 38, 47, 94, 893, 1786, 71777, 143554, 1363763, 2727526, 3373519, 6747038, 64096861, 128193722]

約数ペア:

[(1, 128193722), (2, 64096861), (19, 6747038), (38, 3373519), (47, 2727526), (94, 1363763), (893, 143554), (1786, 71777)]