665994

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:270

約数の個数: 32

約数和(自身を含む): 1547136

約数和(自身を除く): 881142

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 101, 157, 202, 303, 314, 471, 606, 707, 942, 1099, 1414, 2121, 2198, 3297, 4242, 6594, 15857, 31714, 47571, 95142, 110999, 221998, 332997, 665994]

約数ペア:

[(1, 665994), (2, 332997), (3, 221998), (6, 110999), (7, 95142), (14, 47571), (21, 31714), (42, 15857), (101, 6594), (157, 4242), (202, 3297), (303, 2198), (314, 2121), (471, 1414), (606, 1099), (707, 942)]