31387888

素因数分解:

$2^4\times 7^1\times {\mathrm{280249}}^1$

素因数の和:280264

約数の個数: 20

約数和(自身を含む): 69502000

約数和(自身を除く): 38114112

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 280249, 560498, 1120996, 1961743, 2241992, 3923486, 4483984, 7846972, 15693944, 31387888]

約数ペア:

[(1, 31387888), (2, 15693944), (4, 7846972), (7, 4483984), (8, 3923486), (14, 2241992), (16, 1961743), (28, 1120996), (56, 560498), (112, 280249)]