87187276

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{499}}^1$

素因数の和:563

約数の個数: 54

約数和(自身を含む): 177355500

約数和(自身を除く): 90168224

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 121, 209, 242, 361, 418, 484, 499, 722, 836, 998, 1444, 1996, 2299, 3971, 4598, 5489, 7942, 9196, 9481, 10978, 15884, 18962, 21956, 37924, 43681, 60379, 87362, 104291, 120758, 174724, 180139, 208582, 241516, 360278, 417164, 720556, 1147201, 1981529, 2294402, 3963058, 4588804, 7926116, 21796819, 43593638, 87187276]

約数ペア:

[(1, 87187276), (2, 43593638), (4, 21796819), (11, 7926116), (19, 4588804), (22, 3963058), (38, 2294402), (44, 1981529), (76, 1147201), (121, 720556), (209, 417164), (242, 360278), (361, 241516), (418, 208582), (484, 180139), (499, 174724), (722, 120758), (836, 104291), (998, 87362), (1444, 60379), (1996, 43681), (2299, 37924), (3971, 21956), (4598, 18962), (5489, 15884), (7942, 10978), (9196, 9481)]