281595514

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{743}}^1$

素因数の和:990

約数の個数: 32

約数和(自身を含む): 457042176

約数和(自身を除く): 175446662

約数列:

[1, 2, 17, 34, 71, 142, 157, 314, 743, 1207, 1486, 2414, 2669, 5338, 11147, 12631, 22294, 25262, 52753, 105506, 116651, 189499, 233302, 378998, 896801, 1793602, 1983067, 3966134, 8282221, 16564442, 140797757, 281595514]

約数ペア:

[(1, 281595514), (2, 140797757), (17, 16564442), (34, 8282221), (71, 3966134), (142, 1983067), (157, 1793602), (314, 896801), (743, 378998), (1207, 233302), (1486, 189499), (2414, 116651), (2669, 105506), (5338, 52753), (11147, 25262), (12631, 22294)]