256442912

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:454

約数の個数: 96

約数和(自身を含む): 578285568

約数和(自身を除く): 321842656

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 71, 88, 124, 142, 176, 248, 284, 331, 341, 352, 496, 568, 662, 682, 781, 992, 1136, 1324, 1364, 1562, 2201, 2272, 2648, 2728, 3124, 3641, 4402, 5296, 5456, 6248, 7282, 8804, 10261, 10592, 10912, 12496, 14564, 17608, 20522, 23501, 24211, 24992, 29128, 35216, 41044, 47002, 48422, 58256, 70432, 82088, 94004, 96844, 112871, 116512, 164176, 188008, 193688, 225742, 258511, 328352, 376016, 387376, 451484, 517022, 728531, 752032, 774752, 902968, 1034044, 1457062, 1805936, 2068088, 2914124, 3611872, 4136176, 5828248, 8013841, 8272352, 11656496, 16027682, 23312992, 32055364, 64110728, 128221456, 256442912]

約数ペア:

[(1, 256442912), (2, 128221456), (4, 64110728), (8, 32055364), (11, 23312992), (16, 16027682), (22, 11656496), (31, 8272352), (32, 8013841), (44, 5828248), (62, 4136176), (71, 3611872), (88, 2914124), (124, 2068088), (142, 1805936), (176, 1457062), (248, 1034044), (284, 902968), (331, 774752), (341, 752032), (352, 728531), (496, 517022), (568, 451484), (662, 387376), (682, 376016), (781, 328352), (992, 258511), (1136, 225742), (1324, 193688), (1364, 188008), (1562, 164176), (2201, 116512), (2272, 112871), (2648, 96844), (2728, 94004), (3124, 82088), (3641, 70432), (4402, 58256), (5296, 48422), (5456, 47002), (6248, 41044), (7282, 35216), (8804, 29128), (10261, 24992), (10592, 24211), (10912, 23501), (12496, 20522), (14564, 17608)]