278301530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2140781}}^1$

素因数の和:2140801

約数の個数: 16

約数和(自身を含む): 539477064

約数和(自身を除く): 261175534

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 2140781, 4281562, 10703905, 21407810, 27830153, 55660306, 139150765, 278301530]

約数ペア:

[(1, 278301530), (2, 139150765), (5, 55660306), (10, 27830153), (13, 21407810), (26, 10703905), (65, 4281562), (130, 2140781)]