1280392876

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{86771}}^1$

素因数の和:86830

約数の個数: 48

約数和(自身を含む): 2798917632

約数和(自身を除く): 1518524756

約数列:

[1, 2, 4, 7, 14, 17, 28, 31, 34, 62, 68, 119, 124, 217, 238, 434, 476, 527, 868, 1054, 2108, 3689, 7378, 14756, 86771, 173542, 347084, 607397, 1214794, 1475107, 2429588, 2689901, 2950214, 5379802, 5900428, 10325749, 10759604, 18829307, 20651498, 37658614, 41302996, 45728317, 75317228, 91456634, 182913268, 320098219, 640196438, 1280392876]

約数ペア:

[(1, 1280392876), (2, 640196438), (4, 320098219), (7, 182913268), (14, 91456634), (17, 75317228), (28, 45728317), (31, 41302996), (34, 37658614), (62, 20651498), (68, 18829307), (119, 10759604), (124, 10325749), (217, 5900428), (238, 5379802), (434, 2950214), (476, 2689901), (527, 2429588), (868, 1475107), (1054, 1214794), (2108, 607397), (3689, 347084), (7378, 173542), (14756, 86771)]