1311220286

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{1973}}^1\times {\mathrm{17489}}^1$

素因数の和:19483

約数の個数: 16

約数和(自身を含む): 2071515600

約数和(自身を除く): 760295314

約数列:

[1, 2, 19, 38, 1973, 3946, 17489, 34978, 37487, 74974, 332291, 664582, 34505797, 69011594, 655610143, 1311220286]

約数ペア:

[(1, 1311220286), (2, 655610143), (19, 69011594), (38, 34505797), (1973, 664582), (3946, 332291), (17489, 74974), (34978, 37487)]