1997982

素因数分解:

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

素因数の和:273

約数の個数: 48

約数和(自身を含む): 5028192

約数和(自身を除く): 3030210

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 101, 126, 157, 202, 303, 314, 471, 606, 707, 909, 942, 1099, 1413, 1414, 1818, 2121, 2198, 2826, 3297, 4242, 6363, 6594, 9891, 12726, 15857, 19782, 31714, 47571, 95142, 110999, 142713, 221998, 285426, 332997, 665994, 998991, 1997982]

約数ペア:

[(1, 1997982), (2, 998991), (3, 665994), (6, 332997), (7, 285426), (9, 221998), (14, 142713), (18, 110999), (21, 95142), (42, 47571), (63, 31714), (101, 19782), (126, 15857), (157, 12726), (202, 9891), (303, 6594), (314, 6363), (471, 4242), (606, 3297), (707, 2826), (909, 2198), (942, 2121), (1099, 1818), (1413, 1414)]