123456142

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{449}}^1\times {\mathrm{8087}}^1$

素因数の和:8555

約数の個数: 16

約数和(自身を含む): 196538400

約数和(自身を除く): 73082258

約数列:

[1, 2, 17, 34, 449, 898, 7633, 8087, 15266, 16174, 137479, 274958, 3631063, 7262126, 61728071, 123456142]

約数ペア:

[(1, 123456142), (2, 61728071), (17, 7262126), (34, 3631063), (449, 274958), (898, 137479), (7633, 16174), (8087, 15266)]