282987515

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{643}}^1$

素因数の和:803

約数の個数: 32

約数和(自身を含む): 367234560

約数和(自身を除く): 84247045

約数列:

[1, 5, 23, 43, 89, 115, 215, 445, 643, 989, 2047, 3215, 3827, 4945, 10235, 14789, 19135, 27649, 57227, 73945, 88021, 138245, 286135, 440105, 635927, 1316221, 2460761, 3179635, 6581105, 12303805, 56597503, 282987515]

約数ペア:

[(1, 282987515), (5, 56597503), (23, 12303805), (43, 6581105), (89, 3179635), (115, 2460761), (215, 1316221), (445, 635927), (643, 440105), (989, 286135), (2047, 138245), (3215, 88021), (3827, 73945), (4945, 57227), (10235, 27649), (14789, 19135)]