81991454

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{7507}}^1$

素因数の和:7679

約数の個数: 16

約数和(自身を含む): 126855168

約数和(自身を除く): 44863714

約数列:

[1, 2, 43, 86, 127, 254, 5461, 7507, 10922, 15014, 322801, 645602, 953389, 1906778, 40995727, 81991454]

約数ペア:

[(1, 81991454), (2, 40995727), (43, 1906778), (86, 953389), (127, 645602), (254, 322801), (5461, 15014), (7507, 10922)]