123721304

素因数分解:

$2^3\times 7^1\times {\mathrm{1103}}^1\times {\mathrm{2003}}^1$

素因数の和:3119

約数の個数: 32

約数和(自身を含む): 265489920

約数和(自身を除く): 141768616

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1103, 2003, 2206, 4006, 4412, 7721, 8012, 8824, 14021, 15442, 16024, 28042, 30884, 56084, 61768, 112168, 2209309, 4418618, 8837236, 15465163, 17674472, 30930326, 61860652, 123721304]

約数ペア:

[(1, 123721304), (2, 61860652), (4, 30930326), (7, 17674472), (8, 15465163), (14, 8837236), (28, 4418618), (56, 2209309), (1103, 112168), (2003, 61768), (2206, 56084), (4006, 30884), (4412, 28042), (7721, 16024), (8012, 15442), (8824, 14021)]