27990898

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:402

約数の個数: 32

約数和(自身を含む): 46811520

約数和(自身を除く): 18820622

約数列:

[1, 2, 13, 26, 59, 71, 118, 142, 257, 514, 767, 923, 1534, 1846, 3341, 4189, 6682, 8378, 15163, 18247, 30326, 36494, 54457, 108914, 197119, 237211, 394238, 474422, 1076573, 2153146, 13995449, 27990898]

約数ペア:

[(1, 27990898), (2, 13995449), (13, 2153146), (26, 1076573), (59, 474422), (71, 394238), (118, 237211), (142, 197119), (257, 108914), (514, 54457), (767, 36494), (923, 30326), (1534, 18247), (1846, 15163), (3341, 8378), (4189, 6682)]