39666872

素因数分解:

$2^3\times 7^2\times {\mathrm{47}}^1\times {\mathrm{2153}}^1$

素因数の和:2220

約数の個数: 48

約数和(自身を含む): 88400160

約数和(自身を除く): 48733288

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 49, 56, 94, 98, 188, 196, 329, 376, 392, 658, 1316, 2153, 2303, 2632, 4306, 4606, 8612, 9212, 15071, 17224, 18424, 30142, 60284, 101191, 105497, 120568, 202382, 210994, 404764, 421988, 708337, 809528, 843976, 1416674, 2833348, 4958359, 5666696, 9916718, 19833436, 39666872]

約数ペア:

[(1, 39666872), (2, 19833436), (4, 9916718), (7, 5666696), (8, 4958359), (14, 2833348), (28, 1416674), (47, 843976), (49, 809528), (56, 708337), (94, 421988), (98, 404764), (188, 210994), (196, 202382), (329, 120568), (376, 105497), (392, 101191), (658, 60284), (1316, 30142), (2153, 18424), (2303, 17224), (2632, 15071), (4306, 9212), (4606, 8612)]