2758015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{281}}^1$

素因数の和:450

約数の個数: 16

約数和(自身を含む): 3600576

約数和(自身を除く): 842561

約数列:

[1, 5, 13, 65, 151, 281, 755, 1405, 1963, 3653, 9815, 18265, 42431, 212155, 551603, 2758015]

約数ペア:

[(1, 2758015), (5, 551603), (13, 212155), (65, 42431), (151, 18265), (281, 9815), (755, 3653), (1405, 1963)]