31384976

素因数分解:

$2^4\times 7^1\times {\mathrm{280223}}^1$

素因数の和:280238

約数の個数: 20

約数和(自身を含む): 69495552

約数和(自身を除く): 38110576

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 280223, 560446, 1120892, 1961561, 2241784, 3923122, 4483568, 7846244, 15692488, 31384976]

約数ペア:

[(1, 31384976), (2, 15692488), (4, 7846244), (7, 4483568), (8, 3923122), (14, 2241784), (16, 1961561), (28, 1120892), (56, 560446), (112, 280223)]