81862976

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1613}}^1$

素因数の和:1699

約数の個数: 56

約数和(自身を含む): 177920904

約数和(自身を除く): 96057928

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 61, 64, 104, 122, 208, 244, 416, 488, 793, 832, 976, 1586, 1613, 1952, 3172, 3226, 3904, 6344, 6452, 12688, 12904, 20969, 25376, 25808, 41938, 50752, 51616, 83876, 98393, 103232, 167752, 196786, 335504, 393572, 671008, 787144, 1279109, 1342016, 1574288, 2558218, 3148576, 5116436, 6297152, 10232872, 20465744, 40931488, 81862976]

約数ペア:

[(1, 81862976), (2, 40931488), (4, 20465744), (8, 10232872), (13, 6297152), (16, 5116436), (26, 3148576), (32, 2558218), (52, 1574288), (61, 1342016), (64, 1279109), (104, 787144), (122, 671008), (208, 393572), (244, 335504), (416, 196786), (488, 167752), (793, 103232), (832, 98393), (976, 83876), (1586, 51616), (1613, 50752), (1952, 41938), (3172, 25808), (3226, 25376), (3904, 20969), (6344, 12904), (6452, 12688)]