31120208

素因数分解:

$2^4\times 7^1\times {\mathrm{277859}}^1$

素因数の和:277874

約数の個数: 20

約数和(自身を含む): 68909280

約数和(自身を除く): 37789072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 277859, 555718, 1111436, 1945013, 2222872, 3890026, 4445744, 7780052, 15560104, 31120208]

約数ペア:

[(1, 31120208), (2, 15560104), (4, 7780052), (7, 4445744), (8, 3890026), (14, 2222872), (16, 1945013), (28, 1111436), (56, 555718), (112, 277859)]