12891656

素因数分解:

$2^3\times {\mathrm{811}}^1\times {\mathrm{1987}}^1$

素因数の和:2804

約数の個数: 16

約数和(自身を含む): 24213840

約数和(自身を除く): 11322184

約数列:

[1, 2, 4, 8, 811, 1622, 1987, 3244, 3974, 6488, 7948, 15896, 1611457, 3222914, 6445828, 12891656]

約数ペア:

[(1, 12891656), (2, 6445828), (4, 3222914), (8, 1611457), (811, 15896), (1622, 7948), (1987, 6488), (3244, 3974)]