128716532

素因数分解:

$2^2\times 7^2\times {\mathrm{127}}^1\times {\mathrm{5171}}^1$

素因数の和:5316

約数の個数: 36

約数和(自身を含む): 264144384

約数和(自身を除く): 135427852

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 127, 196, 254, 508, 889, 1778, 3556, 5171, 6223, 10342, 12446, 20684, 24892, 36197, 72394, 144788, 253379, 506758, 656717, 1013516, 1313434, 2626868, 4597019, 9194038, 18388076, 32179133, 64358266, 128716532]

約数ペア:

[(1, 128716532), (2, 64358266), (4, 32179133), (7, 18388076), (14, 9194038), (28, 4597019), (49, 2626868), (98, 1313434), (127, 1013516), (196, 656717), (254, 506758), (508, 253379), (889, 144788), (1778, 72394), (3556, 36197), (5171, 24892), (6223, 20684), (10342, 12446)]