81328026

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{2141}}^1$

素因数の和:2646

約数の個数: 32

約数和(自身を含む): 175609728

約数和(自身を除く): 94281702

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 487, 974, 1461, 2141, 2922, 4282, 6331, 6423, 12662, 12846, 18993, 27833, 37986, 55666, 83499, 166998, 1042667, 2085334, 3128001, 6256002, 13554671, 27109342, 40664013, 81328026]

約数ペア:

[(1, 81328026), (2, 40664013), (3, 27109342), (6, 13554671), (13, 6256002), (26, 3128001), (39, 2085334), (78, 1042667), (487, 166998), (974, 83499), (1461, 55666), (2141, 37986), (2922, 27833), (4282, 18993), (6331, 12846), (6423, 12662)]