158778896

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{12739}}^1$

素因数の和:12807

約数の個数: 40

約数和(自身を含む): 331749600

約数和(自身を除く): 172970704

約数列:

[1, 2, 4, 8, 16, 19, 38, 41, 76, 82, 152, 164, 304, 328, 656, 779, 1558, 3116, 6232, 12464, 12739, 25478, 50956, 101912, 203824, 242041, 484082, 522299, 968164, 1044598, 1936328, 2089196, 3872656, 4178392, 8356784, 9923681, 19847362, 39694724, 79389448, 158778896]

約数ペア:

[(1, 158778896), (2, 79389448), (4, 39694724), (8, 19847362), (16, 9923681), (19, 8356784), (38, 4178392), (41, 3872656), (76, 2089196), (82, 1936328), (152, 1044598), (164, 968164), (304, 522299), (328, 484082), (656, 242041), (779, 203824), (1558, 101912), (3116, 50956), (6232, 25478), (12464, 12739)]