12958738

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1$

素因数の和:298

約数の個数: 32

約数和(自身を含む): 21865536

約数和(自身を除く): 8906798

約数列:

[1, 2, 13, 26, 43, 67, 86, 134, 173, 346, 559, 871, 1118, 1742, 2249, 2881, 4498, 5762, 7439, 11591, 14878, 23182, 37453, 74906, 96707, 150683, 193414, 301366, 498413, 996826, 6479369, 12958738]

約数ペア:

[(1, 12958738), (2, 6479369), (13, 996826), (26, 498413), (43, 301366), (67, 193414), (86, 150683), (134, 96707), (173, 74906), (346, 37453), (559, 23182), (871, 14878), (1118, 11591), (1742, 7439), (2249, 5762), (2881, 4498)]