81347602

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{65287}}^1$

素因数の和:65385

約数の個数: 16

約数和(自身を含む): 141022080

約数和(自身を除く): 59674478

約数列:

[1, 2, 7, 14, 89, 178, 623, 1246, 65287, 130574, 457009, 914018, 5810543, 11621086, 40673801, 81347602]

約数ペア:

[(1, 81347602), (2, 40673801), (7, 11621086), (14, 5810543), (89, 914018), (178, 457009), (623, 130574), (1246, 65287)]