989905852

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{58937}}^1$

素因数の和:58990

約数の個数: 48

約数和(自身を含む): 2079332640

約数和(自身を除く): 1089426788

約数列:

[1, 2, 4, 13, 17, 19, 26, 34, 38, 52, 68, 76, 221, 247, 323, 442, 494, 646, 884, 988, 1292, 4199, 8398, 16796, 58937, 117874, 235748, 766181, 1001929, 1119803, 1532362, 2003858, 2239606, 3064724, 4007716, 4479212, 13025077, 14557439, 19036651, 26050154, 29114878, 38073302, 52100308, 58229756, 76146604, 247476463, 494952926, 989905852]

約数ペア:

[(1, 989905852), (2, 494952926), (4, 247476463), (13, 76146604), (17, 58229756), (19, 52100308), (26, 38073302), (34, 29114878), (38, 26050154), (52, 19036651), (68, 14557439), (76, 13025077), (221, 4479212), (247, 4007716), (323, 3064724), (442, 2239606), (494, 2003858), (646, 1532362), (884, 1119803), (988, 1001929), (1292, 766181), (4199, 235748), (8398, 117874), (16796, 58937)]