668117956

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{139}}^1\times {\mathrm{9931}}^1$

素因数の和:10096

約数の個数: 36

約数和(自身を含む): 1294536880

約数和(自身を除く): 626418924

約数列:

[1, 2, 4, 11, 22, 44, 121, 139, 242, 278, 484, 556, 1529, 3058, 6116, 9931, 16819, 19862, 33638, 39724, 67276, 109241, 218482, 436964, 1201651, 1380409, 2403302, 2760818, 4806604, 5521636, 15184499, 30368998, 60737996, 167029489, 334058978, 668117956]

約数ペア:

[(1, 668117956), (2, 334058978), (4, 167029489), (11, 60737996), (22, 30368998), (44, 15184499), (121, 5521636), (139, 4806604), (242, 2760818), (278, 2403302), (484, 1380409), (556, 1201651), (1529, 436964), (3058, 218482), (6116, 109241), (9931, 67276), (16819, 39724), (19862, 33638)]