128218688

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8111}}^1$

素因数の和:8155

約数の個数: 56

約数和(自身を含む): 288462720

約数和(自身を除く): 160244032

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 152, 208, 247, 304, 416, 494, 608, 832, 988, 1216, 1976, 3952, 7904, 8111, 15808, 16222, 32444, 64888, 105443, 129776, 154109, 210886, 259552, 308218, 421772, 519104, 616436, 843544, 1232872, 1687088, 2003417, 2465744, 3374176, 4006834, 4931488, 6748352, 8013668, 9862976, 16027336, 32054672, 64109344, 128218688]

約数ペア:

[(1, 128218688), (2, 64109344), (4, 32054672), (8, 16027336), (13, 9862976), (16, 8013668), (19, 6748352), (26, 4931488), (32, 4006834), (38, 3374176), (52, 2465744), (64, 2003417), (76, 1687088), (104, 1232872), (152, 843544), (208, 616436), (247, 519104), (304, 421772), (416, 308218), (494, 259552), (608, 210886), (832, 154109), (988, 129776), (1216, 105443), (1976, 64888), (3952, 32444), (7904, 16222), (8111, 15808)]