28215072

素因数分解:

$2^5\times 3^2\times {\mathrm{313}}^2$

素因数の和:642

約数の個数: 54

約数和(自身を含む): 80493777

約数和(自身を除く): 52278705

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 313, 626, 939, 1252, 1878, 2504, 2817, 3756, 5008, 5634, 7512, 10016, 11268, 15024, 22536, 30048, 45072, 90144, 97969, 195938, 293907, 391876, 587814, 783752, 881721, 1175628, 1567504, 1763442, 2351256, 3135008, 3526884, 4702512, 7053768, 9405024, 14107536, 28215072]

約数ペア:

[(1, 28215072), (2, 14107536), (3, 9405024), (4, 7053768), (6, 4702512), (8, 3526884), (9, 3135008), (12, 2351256), (16, 1763442), (18, 1567504), (24, 1175628), (32, 881721), (36, 783752), (48, 587814), (72, 391876), (96, 293907), (144, 195938), (288, 97969), (313, 90144), (626, 45072), (939, 30048), (1252, 22536), (1878, 15024), (2504, 11268), (2817, 10016), (3756, 7512), (5008, 5634)]