12891088

素因数分解:

$2^4\times 7^1\times {\mathrm{115099}}^1$

素因数の和:115114

約数の個数: 20

約数和(自身を含む): 28544800

約数和(自身を除く): 15653712

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 115099, 230198, 460396, 805693, 920792, 1611386, 1841584, 3222772, 6445544, 12891088]

約数ペア:

[(1, 12891088), (2, 6445544), (4, 3222772), (7, 1841584), (8, 1611386), (14, 920792), (16, 805693), (28, 460396), (56, 230198), (112, 115099)]