1891397284

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{18341}}^1$

素因数の和:18508

約数の個数: 48

約数和(自身を含む): 3944263680

約数和(自身を除く): 2052866396

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 127, 203, 254, 406, 508, 812, 889, 1778, 3556, 3683, 7366, 14732, 18341, 25781, 36682, 51562, 73364, 103124, 128387, 256774, 513548, 531889, 1063778, 2127556, 2329307, 3723223, 4658614, 7446446, 9317228, 14892892, 16305149, 32610298, 65220596, 67549903, 135099806, 270199612, 472849321, 945698642, 1891397284]

約数ペア:

[(1, 1891397284), (2, 945698642), (4, 472849321), (7, 270199612), (14, 135099806), (28, 67549903), (29, 65220596), (58, 32610298), (116, 16305149), (127, 14892892), (203, 9317228), (254, 7446446), (406, 4658614), (508, 3723223), (812, 2329307), (889, 2127556), (1778, 1063778), (3556, 531889), (3683, 513548), (7366, 256774), (14732, 128387), (18341, 103124), (25781, 73364), (36682, 51562)]