990394342

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3723287}}^1$

素因数の和:3723315

約数の個数: 16

約数和(自身を含む): 1787178240

約数和(自身を除く): 796783898

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 3723287, 7446574, 26063009, 52126018, 70742453, 141484906, 495197171, 990394342]

約数ペア:

[(1, 990394342), (2, 495197171), (7, 141484906), (14, 70742453), (19, 52126018), (38, 26063009), (133, 7446574), (266, 3723287)]