1331988

素因数分解:

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

素因数の和:272

約数の個数: 48

約数和(自身を含む): 3609984

約数和(自身を除く): 2277996

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 101, 157, 202, 303, 314, 404, 471, 606, 628, 707, 942, 1099, 1212, 1414, 1884, 2121, 2198, 2828, 3297, 4242, 4396, 6594, 8484, 13188, 15857, 31714, 47571, 63428, 95142, 110999, 190284, 221998, 332997, 443996, 665994, 1331988]

約数ペア:

[(1, 1331988), (2, 665994), (3, 443996), (4, 332997), (6, 221998), (7, 190284), (12, 110999), (14, 95142), (21, 63428), (28, 47571), (42, 31714), (84, 15857), (101, 13188), (157, 8484), (202, 6594), (303, 4396), (314, 4242), (404, 3297), (471, 2828), (606, 2198), (628, 2121), (707, 1884), (942, 1414), (1099, 1212)]