12571888

素因数分解:

$2^4\times 7^1\times {\mathrm{112249}}^1$

素因数の和:112264

約数の個数: 20

約数和(自身を含む): 27838000

約数和(自身を除く): 15266112

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 112249, 224498, 448996, 785743, 897992, 1571486, 1795984, 3142972, 6285944, 12571888]

約数ペア:

[(1, 12571888), (2, 6285944), (4, 3142972), (7, 1795984), (8, 1571486), (14, 897992), (16, 785743), (28, 448996), (56, 224498), (112, 112249)]