257111736

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{11171}}^1$

素因数の和:11324

約数の個数: 64

約数和(自身を含む): 740033280

約数和(自身を除く): 482921544

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 137, 168, 274, 411, 548, 822, 959, 1096, 1644, 1918, 2877, 3288, 3836, 5754, 7672, 11171, 11508, 22342, 23016, 33513, 44684, 67026, 78197, 89368, 134052, 156394, 234591, 268104, 312788, 469182, 625576, 938364, 1530427, 1876728, 3060854, 4591281, 6121708, 9182562, 10712989, 12243416, 18365124, 21425978, 32138967, 36730248, 42851956, 64277934, 85703912, 128555868, 257111736]

約数ペア:

[(1, 257111736), (2, 128555868), (3, 85703912), (4, 64277934), (6, 42851956), (7, 36730248), (8, 32138967), (12, 21425978), (14, 18365124), (21, 12243416), (24, 10712989), (28, 9182562), (42, 6121708), (56, 4591281), (84, 3060854), (137, 1876728), (168, 1530427), (274, 938364), (411, 625576), (548, 469182), (822, 312788), (959, 268104), (1096, 234591), (1644, 156394), (1918, 134052), (2877, 89368), (3288, 78197), (3836, 67026), (5754, 44684), (7672, 33513), (11171, 23016), (11508, 22342)]