28984648

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{223}}^1$

素因数の和:458

約数の個数: 64

約数和(自身を含む): 68382720

約数和(自身を除く): 39398072

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 211, 223, 308, 422, 446, 616, 844, 892, 1477, 1561, 1688, 1784, 2321, 2453, 2954, 3122, 4642, 4906, 5908, 6244, 9284, 9812, 11816, 12488, 16247, 17171, 18568, 19624, 32494, 34342, 47053, 64988, 68684, 94106, 129976, 137368, 188212, 329371, 376424, 517583, 658742, 1035166, 1317484, 2070332, 2634968, 3623081, 4140664, 7246162, 14492324, 28984648]

約数ペア:

[(1, 28984648), (2, 14492324), (4, 7246162), (7, 4140664), (8, 3623081), (11, 2634968), (14, 2070332), (22, 1317484), (28, 1035166), (44, 658742), (56, 517583), (77, 376424), (88, 329371), (154, 188212), (211, 137368), (223, 129976), (308, 94106), (422, 68684), (446, 64988), (616, 47053), (844, 34342), (892, 32494), (1477, 19624), (1561, 18568), (1688, 17171), (1784, 16247), (2321, 12488), (2453, 11816), (2954, 9812), (3122, 9284), (4642, 6244), (4906, 5908)]