28516796

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{443}}^1$

素因数の和:495

約数の個数: 72

約数和(自身を含む): 66138240

約数和(自身を除く): 37621444

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 121, 133, 154, 209, 242, 266, 308, 418, 443, 484, 532, 836, 847, 886, 1463, 1694, 1772, 2299, 2926, 3101, 3388, 4598, 4873, 5852, 6202, 8417, 9196, 9746, 12404, 16093, 16834, 19492, 32186, 33668, 34111, 53603, 58919, 64372, 68222, 92587, 107206, 117838, 136444, 185174, 214412, 235676, 370348, 375221, 648109, 750442, 1018457, 1296218, 1500884, 2036914, 2592436, 4073828, 7129199, 14258398, 28516796]

約数ペア:

[(1, 28516796), (2, 14258398), (4, 7129199), (7, 4073828), (11, 2592436), (14, 2036914), (19, 1500884), (22, 1296218), (28, 1018457), (38, 750442), (44, 648109), (76, 375221), (77, 370348), (121, 235676), (133, 214412), (154, 185174), (209, 136444), (242, 117838), (266, 107206), (308, 92587), (418, 68222), (443, 64372), (484, 58919), (532, 53603), (836, 34111), (847, 33668), (886, 32186), (1463, 19492), (1694, 16834), (1772, 16093), (2299, 12404), (2926, 9746), (3101, 9196), (3388, 8417), (4598, 6202), (4873, 5852)]