28972328

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{6719}}^1$

素因数の和:6750

約数の個数: 48

約数和(自身を含む): 68947200

約数和(自身を除く): 39974872

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 154, 196, 308, 392, 539, 616, 1078, 2156, 4312, 6719, 13438, 26876, 47033, 53752, 73909, 94066, 147818, 188132, 295636, 329231, 376264, 517363, 591272, 658462, 1034726, 1316924, 2069452, 2633848, 3621541, 4138904, 7243082, 14486164, 28972328]

約数ペア:

[(1, 28972328), (2, 14486164), (4, 7243082), (7, 4138904), (8, 3621541), (11, 2633848), (14, 2069452), (22, 1316924), (28, 1034726), (44, 658462), (49, 591272), (56, 517363), (77, 376264), (88, 329231), (98, 295636), (154, 188132), (196, 147818), (308, 94066), (392, 73909), (539, 53752), (616, 47033), (1078, 26876), (2156, 13438), (4312, 6719)]