66643724

素因数分解:

$2^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{4789}}^1$

素因数の和:4878

約数の個数: 36

約数和(自身を含む): 137607120

約数和(自身を除く): 70963396

約数列:

[1, 2, 4, 7, 14, 28, 49, 71, 98, 142, 196, 284, 497, 994, 1988, 3479, 4789, 6958, 9578, 13916, 19156, 33523, 67046, 134092, 234661, 340019, 469322, 680038, 938644, 1360076, 2380133, 4760266, 9520532, 16660931, 33321862, 66643724]

約数ペア:

[(1, 66643724), (2, 33321862), (4, 16660931), (7, 9520532), (14, 4760266), (28, 2380133), (49, 1360076), (71, 938644), (98, 680038), (142, 469322), (196, 340019), (284, 234661), (497, 134092), (994, 67046), (1988, 33523), (3479, 19156), (4789, 13916), (6958, 9578)]