1990574

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:355

約数の個数: 16

約数和(自身を含む): 3090960

約数和(自身を除く): 1100386

約数列:

[1, 2, 53, 89, 106, 178, 211, 422, 4717, 9434, 11183, 18779, 22366, 37558, 995287, 1990574]

約数ペア:

[(1, 1990574), (2, 995287), (53, 37558), (89, 22366), (106, 18779), (178, 11183), (211, 9434), (422, 4717)]