257156743641

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1123}}^1\times {\mathrm{2131}}^1$

素因数の和:3331

約数の個数: 96

約数和(自身を含む): 432726547968

約数和(自身を除く): 175569804327

約数列:

[1, 3, 7, 17, 21, 43, 49, 51, 119, 129, 147, 301, 357, 731, 833, 903, 1123, 2107, 2131, 2193, 2499, 3369, 5117, 6321, 6393, 7861, 14917, 15351, 19091, 23583, 35819, 36227, 44751, 48289, 55027, 57273, 91633, 104419, 107457, 108681, 133637, 144867, 165081, 253589, 274899, 313257, 338023, 400911, 641431, 760767, 820913, 935459, 1014069, 1557761, 1775123, 1924293, 2366161, 2393113, 2462739, 2806377, 4490017, 4673283, 5325369, 5746391, 7098483, 7179339, 10904327, 13470051, 16751791, 17239173, 32712981, 40224737, 40682921, 50255373, 76330289, 102903859, 117262537, 120674211, 122048763, 228990867, 284780447, 308711577, 351787611, 720327013, 854341341, 1749365603, 1993463129, 2160981039, 5042289091, 5248096809, 5980389387, 12245559221, 15126867273, 36736677663, 85718914547, 257156743641]

約数ペア:

[(1, 257156743641), (3, 85718914547), (7, 36736677663), (17, 15126867273), (21, 12245559221), (43, 5980389387), (49, 5248096809), (51, 5042289091), (119, 2160981039), (129, 1993463129), (147, 1749365603), (301, 854341341), (357, 720327013), (731, 351787611), (833, 308711577), (903, 284780447), (1123, 228990867), (2107, 122048763), (2131, 120674211), (2193, 117262537), (2499, 102903859), (3369, 76330289), (5117, 50255373), (6321, 40682921), (6393, 40224737), (7861, 32712981), (14917, 17239173), (15351, 16751791), (19091, 13470051), (23583, 10904327), (35819, 7179339), (36227, 7098483), (44751, 5746391), (48289, 5325369), (55027, 4673283), (57273, 4490017), (91633, 2806377), (104419, 2462739), (107457, 2393113), (108681, 2366161), (133637, 1924293), (144867, 1775123), (165081, 1557761), (253589, 1014069), (274899, 935459), (313257, 820913), (338023, 760767), (400911, 641431)]