11991545

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1987}}^1$

素因数の和:2080

約数の個数: 16

約数和(自身を含む): 15458688

約数和(自身を除く): 3467143

約数列:

[1, 5, 17, 71, 85, 355, 1207, 1987, 6035, 9935, 33779, 141077, 168895, 705385, 2398309, 11991545]

約数ペア:

[(1, 11991545), (5, 2398309), (17, 705385), (71, 168895), (85, 141077), (355, 33779), (1207, 9935), (1987, 6035)]