31009328

素因数分解:

$2^4\times 7^1\times {\mathrm{276869}}^1$

素因数の和:276884

約数の個数: 20

約数和(自身を含む): 68663760

約数和(自身を除く): 37654432

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 276869, 553738, 1107476, 1938083, 2214952, 3876166, 4429904, 7752332, 15504664, 31009328]

約数ペア:

[(1, 31009328), (2, 15504664), (4, 7752332), (7, 4429904), (8, 3876166), (14, 2214952), (16, 1938083), (28, 1107476), (56, 553738), (112, 276869)]