128389016

素因数分解:

$2^3\times 7^3\times {\mathrm{71}}^1\times {\mathrm{659}}^1$

素因数の和:757

約数の個数: 64

約数和(自身を含む): 285120000

約数和(自身を除く): 156730984

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 71, 98, 142, 196, 284, 343, 392, 497, 568, 659, 686, 994, 1318, 1372, 1988, 2636, 2744, 3479, 3976, 4613, 5272, 6958, 9226, 13916, 18452, 24353, 27832, 32291, 36904, 46789, 48706, 64582, 93578, 97412, 129164, 187156, 194824, 226037, 258328, 327523, 374312, 452074, 655046, 904148, 1310092, 1808296, 2292661, 2620184, 4585322, 9170644, 16048627, 18341288, 32097254, 64194508, 128389016]

約数ペア:

[(1, 128389016), (2, 64194508), (4, 32097254), (7, 18341288), (8, 16048627), (14, 9170644), (28, 4585322), (49, 2620184), (56, 2292661), (71, 1808296), (98, 1310092), (142, 904148), (196, 655046), (284, 452074), (343, 374312), (392, 327523), (497, 258328), (568, 226037), (659, 194824), (686, 187156), (994, 129164), (1318, 97412), (1372, 93578), (1988, 64582), (2636, 48706), (2744, 46789), (3479, 36904), (3976, 32291), (4613, 27832), (5272, 24353), (6958, 18452), (9226, 13916)]