128873458

素因数分解:

$2^1\times 7^1\times {\mathrm{2531}}^1\times {\mathrm{3637}}^1$

素因数の和:6177

約数の個数: 16

約数和(自身を含む): 221073984

約数和(自身を除く): 92200526

約数列:

[1, 2, 7, 14, 2531, 3637, 5062, 7274, 17717, 25459, 35434, 50918, 9205247, 18410494, 64436729, 128873458]

約数ペア:

[(1, 128873458), (2, 64436729), (7, 18410494), (14, 9205247), (2531, 50918), (3637, 35434), (5062, 25459), (7274, 17717)]