25421172

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{47}}^2\times {\mathrm{137}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 69768384

約数和(自身を除く): 44347212

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 84, 94, 137, 141, 188, 274, 282, 329, 411, 548, 564, 658, 822, 959, 987, 1316, 1644, 1918, 1974, 2209, 2877, 3836, 3948, 4418, 5754, 6439, 6627, 8836, 11508, 12878, 13254, 15463, 19317, 25756, 26508, 30926, 38634, 45073, 46389, 61852, 77268, 90146, 92778, 135219, 180292, 185556, 270438, 302633, 540876, 605266, 907899, 1210532, 1815798, 2118431, 3631596, 4236862, 6355293, 8473724, 12710586, 25421172]

約数ペア:

[(1, 25421172), (2, 12710586), (3, 8473724), (4, 6355293), (6, 4236862), (7, 3631596), (12, 2118431), (14, 1815798), (21, 1210532), (28, 907899), (42, 605266), (47, 540876), (84, 302633), (94, 270438), (137, 185556), (141, 180292), (188, 135219), (274, 92778), (282, 90146), (329, 77268), (411, 61852), (548, 46389), (564, 45073), (658, 38634), (822, 30926), (959, 26508), (987, 25756), (1316, 19317), (1644, 15463), (1918, 13254), (1974, 12878), (2209, 11508), (2877, 8836), (3836, 6627), (3948, 6439), (4418, 5754)]