1280498892

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{27883}}^1$

素因数の和:28022

約数の個数: 48

約数和(自身を含む): 3091777920

約数和(自身を除く): 1811279028

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 89, 129, 172, 178, 258, 267, 356, 516, 534, 1068, 3827, 7654, 11481, 15308, 22962, 27883, 45924, 55766, 83649, 111532, 167298, 334596, 1198969, 2397938, 2481587, 3596907, 4795876, 4963174, 7193814, 7444761, 9926348, 14387628, 14889522, 29779044, 106708241, 213416482, 320124723, 426832964, 640249446, 1280498892]

約数ペア:

[(1, 1280498892), (2, 640249446), (3, 426832964), (4, 320124723), (6, 213416482), (12, 106708241), (43, 29779044), (86, 14889522), (89, 14387628), (129, 9926348), (172, 7444761), (178, 7193814), (258, 4963174), (267, 4795876), (356, 3596907), (516, 2481587), (534, 2397938), (1068, 1198969), (3827, 334596), (7654, 167298), (11481, 111532), (15308, 83649), (22962, 55766), (27883, 45924)]