138440428

素因数分解:

$2^2\times 7^1\times {\mathrm{587}}^1\times {\mathrm{8423}}^1$

素因数の和:9021

約数の個数: 24

約数和(自身を含む): 277385472

約数和(自身を除く): 138945044

約数列:

[1, 2, 4, 7, 14, 28, 587, 1174, 2348, 4109, 8218, 8423, 16436, 16846, 33692, 58961, 117922, 235844, 4944301, 9888602, 19777204, 34610107, 69220214, 138440428]

約数ペア:

[(1, 138440428), (2, 69220214), (4, 34610107), (7, 19777204), (14, 9888602), (28, 4944301), (587, 235844), (1174, 117922), (2348, 58961), (4109, 33692), (8218, 16846), (8423, 16436)]