256796848

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^2\times {\mathrm{2707}}^1$

素因数の和:2751

約数の個数: 90

約数和(自身を含む): 636409788

約数和(自身を除く): 379612940

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 49, 56, 77, 88, 98, 112, 121, 154, 176, 196, 242, 308, 392, 484, 539, 616, 784, 847, 968, 1078, 1232, 1694, 1936, 2156, 2707, 3388, 4312, 5414, 5929, 6776, 8624, 10828, 11858, 13552, 18949, 21656, 23716, 29777, 37898, 43312, 47432, 59554, 75796, 94864, 119108, 132643, 151592, 208439, 238216, 265286, 303184, 327547, 416878, 476432, 530572, 655094, 833756, 1061144, 1310188, 1459073, 1667512, 2122288, 2292829, 2620376, 2918146, 3335024, 4585658, 5240752, 5836292, 9171316, 11672584, 16049803, 18342632, 23345168, 32099606, 36685264, 64199212, 128398424, 256796848]

約数ペア:

[(1, 256796848), (2, 128398424), (4, 64199212), (7, 36685264), (8, 32099606), (11, 23345168), (14, 18342632), (16, 16049803), (22, 11672584), (28, 9171316), (44, 5836292), (49, 5240752), (56, 4585658), (77, 3335024), (88, 2918146), (98, 2620376), (112, 2292829), (121, 2122288), (154, 1667512), (176, 1459073), (196, 1310188), (242, 1061144), (308, 833756), (392, 655094), (484, 530572), (539, 476432), (616, 416878), (784, 327547), (847, 303184), (968, 265286), (1078, 238216), (1232, 208439), (1694, 151592), (1936, 132643), (2156, 119108), (2707, 94864), (3388, 75796), (4312, 59554), (5414, 47432), (5929, 43312), (6776, 37898), (8624, 29777), (10828, 23716), (11858, 21656), (13552, 18949)]