128638836

素因数分解:

$2^2\times 3^2\times {\mathrm{839}}^1\times {\mathrm{4259}}^1$

素因数の和:5108

約数の個数: 36

約数和(自身を含む): 325634400

約数和(自身を除く): 196995564

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 839, 1678, 2517, 3356, 4259, 5034, 7551, 8518, 10068, 12777, 15102, 17036, 25554, 30204, 38331, 51108, 76662, 153324, 3573301, 7146602, 10719903, 14293204, 21439806, 32159709, 42879612, 64319418, 128638836]

約数ペア:

[(1, 128638836), (2, 64319418), (3, 42879612), (4, 32159709), (6, 21439806), (9, 14293204), (12, 10719903), (18, 7146602), (36, 3573301), (839, 153324), (1678, 76662), (2517, 51108), (3356, 38331), (4259, 30204), (5034, 25554), (7551, 17036), (8518, 15102), (10068, 12777)]