16128644

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:169

約数の個数: 72

約数和(自身を含む): 35622720

約数和(自身を除く): 19494076

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 61, 71, 76, 98, 122, 133, 142, 196, 244, 266, 284, 427, 497, 532, 854, 931, 994, 1159, 1349, 1708, 1862, 1988, 2318, 2698, 2989, 3479, 3724, 4331, 4636, 5396, 5978, 6958, 8113, 8662, 9443, 11956, 13916, 16226, 17324, 18886, 30317, 32452, 37772, 56791, 60634, 66101, 82289, 113582, 121268, 132202, 164578, 212219, 227164, 264404, 329156, 424438, 576023, 848876, 1152046, 2304092, 4032161, 8064322, 16128644]

約数ペア:

[(1, 16128644), (2, 8064322), (4, 4032161), (7, 2304092), (14, 1152046), (19, 848876), (28, 576023), (38, 424438), (49, 329156), (61, 264404), (71, 227164), (76, 212219), (98, 164578), (122, 132202), (133, 121268), (142, 113582), (196, 82289), (244, 66101), (266, 60634), (284, 56791), (427, 37772), (497, 32452), (532, 30317), (854, 18886), (931, 17324), (994, 16226), (1159, 13916), (1349, 11956), (1708, 9443), (1862, 8662), (1988, 8113), (2318, 6958), (2698, 5978), (2989, 5396), (3479, 4636), (3724, 4331)]