128586964

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{41161}}^1$

素因数の和:41247

約数の個数: 24

約数和(自身を含む): 248947776

約数和(自身を除く): 120360812

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 41161, 82322, 164644, 452771, 905542, 1811084, 2922431, 5844862, 11689724, 32146741, 64293482, 128586964]

約数ペア:

[(1, 128586964), (2, 64293482), (4, 32146741), (11, 11689724), (22, 5844862), (44, 2922431), (71, 1811084), (142, 905542), (284, 452771), (781, 164644), (1562, 82322), (3124, 41161)]