81001912

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{142609}}^1$

素因数の和:142686

約数の個数: 16

約数和(自身を含む): 154018800

約数和(自身を除く): 73016888

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 142609, 285218, 570436, 1140872, 10125239, 20250478, 40500956, 81001912]

約数ペア:

[(1, 81001912), (2, 40500956), (4, 20250478), (8, 10125239), (71, 1140872), (142, 570436), (284, 285218), (568, 142609)]