278852238

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{467}}^1\times {\mathrm{677}}^1$

素因数の和:1166

約数の個数: 72

約数和(自身を含む): 705366792

約数和(自身を除く): 426514554

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 441, 467, 677, 882, 934, 1354, 1401, 2031, 2802, 3269, 4062, 4203, 4739, 6093, 6538, 8406, 9478, 9807, 12186, 14217, 19614, 22883, 28434, 29421, 33173, 42651, 45766, 58842, 66346, 68649, 85302, 99519, 137298, 199038, 205947, 298557, 316159, 411894, 597114, 632318, 948477, 1896954, 2213113, 2845431, 4426226, 5690862, 6639339, 13278678, 15491791, 19918017, 30983582, 39836034, 46475373, 92950746, 139426119, 278852238]

約数ペア:

[(1, 278852238), (2, 139426119), (3, 92950746), (6, 46475373), (7, 39836034), (9, 30983582), (14, 19918017), (18, 15491791), (21, 13278678), (42, 6639339), (49, 5690862), (63, 4426226), (98, 2845431), (126, 2213113), (147, 1896954), (294, 948477), (441, 632318), (467, 597114), (677, 411894), (882, 316159), (934, 298557), (1354, 205947), (1401, 199038), (2031, 137298), (2802, 99519), (3269, 85302), (4062, 68649), (4203, 66346), (4739, 58842), (6093, 45766), (6538, 42651), (8406, 33173), (9478, 29421), (9807, 28434), (12186, 22883), (14217, 19614)]