2788897552

素因数分解:

$2^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{408211}}^1$

素因数の和:408287

約数の個数: 40

約数和(自身を含む): 6276667712

約数和(自身を除く): 3487770160

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 61, 112, 122, 244, 427, 488, 854, 976, 1708, 3416, 6832, 408211, 816422, 1632844, 2857477, 3265688, 5714954, 6531376, 11429908, 22859816, 24900871, 45719632, 49801742, 99603484, 174306097, 199206968, 348612194, 398413936, 697224388, 1394448776, 2788897552]

約数ペア:

[(1, 2788897552), (2, 1394448776), (4, 697224388), (7, 398413936), (8, 348612194), (14, 199206968), (16, 174306097), (28, 99603484), (56, 49801742), (61, 45719632), (112, 24900871), (122, 22859816), (244, 11429908), (427, 6531376), (488, 5714954), (854, 3265688), (976, 2857477), (1708, 1632844), (3416, 816422), (6832, 408211)]