139784514

素因数分解:

$2^1\times 3^1\times {\mathrm{991}}^1\times {\mathrm{23509}}^1$

素因数の和:24505

約数の個数: 16

約数和(自身を含む): 279863040

約数和(自身を除く): 140078526

約数列:

[1, 2, 3, 6, 991, 1982, 2973, 5946, 23509, 47018, 70527, 141054, 23297419, 46594838, 69892257, 139784514]

約数ペア:

[(1, 139784514), (2, 69892257), (3, 46594838), (6, 23297419), (991, 141054), (1982, 70527), (2973, 47018), (5946, 23509)]