128589986

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{2531}}^1$

素因数の和:2750

約数の個数: 32

約数和(自身を含む): 233349120

約数和(自身を除く): 104759134

約数列:

[1, 2, 7, 14, 19, 38, 133, 191, 266, 382, 1337, 2531, 2674, 3629, 5062, 7258, 17717, 25403, 35434, 48089, 50806, 96178, 336623, 483421, 673246, 966842, 3383947, 6767894, 9184999, 18369998, 64294993, 128589986]

約数ペア:

[(1, 128589986), (2, 64294993), (7, 18369998), (14, 9184999), (19, 6767894), (38, 3383947), (133, 966842), (191, 673246), (266, 483421), (382, 336623), (1337, 96178), (2531, 50806), (2674, 48089), (3629, 35434), (5062, 25403), (7258, 17717)]