55784545

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 74131200

約数和(自身を除く): 18346655

約数列:

[1, 5, 23, 29, 43, 115, 145, 215, 389, 667, 989, 1247, 1945, 3335, 4945, 6235, 8947, 11281, 16727, 28681, 44735, 56405, 83635, 143405, 259463, 384721, 485083, 1297315, 1923605, 2425415, 11156909, 55784545]

約数ペア:

[(1, 55784545), (5, 11156909), (23, 2425415), (29, 1923605), (43, 1297315), (115, 485083), (145, 384721), (215, 259463), (389, 143405), (667, 83635), (989, 56405), (1247, 44735), (1945, 28681), (3335, 16727), (4945, 11281), (6235, 8947)]