81398226

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3467}}^1$

素因数の和:3535

約数の個数: 64

約数和(自身を含む): 205083648

約数和(自身を除く): 123685422

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 43, 78, 86, 91, 129, 182, 258, 273, 301, 546, 559, 602, 903, 1118, 1677, 1806, 3354, 3467, 3913, 6934, 7826, 10401, 11739, 20802, 23478, 24269, 45071, 48538, 72807, 90142, 135213, 145614, 149081, 270426, 298162, 315497, 447243, 630994, 894486, 946491, 1043567, 1892982, 1938053, 2087134, 3130701, 3876106, 5814159, 6261402, 11628318, 13566371, 27132742, 40699113, 81398226]

約数ペア:

[(1, 81398226), (2, 40699113), (3, 27132742), (6, 13566371), (7, 11628318), (13, 6261402), (14, 5814159), (21, 3876106), (26, 3130701), (39, 2087134), (42, 1938053), (43, 1892982), (78, 1043567), (86, 946491), (91, 894486), (129, 630994), (182, 447243), (258, 315497), (273, 298162), (301, 270426), (546, 149081), (559, 145614), (602, 135213), (903, 90142), (1118, 72807), (1677, 48538), (1806, 45071), (3354, 24269), (3467, 23478), (3913, 20802), (6934, 11739), (7826, 10401)]