1256691968

素因数分解:

$2^8\times 7^1\times {\mathrm{701279}}^1$

素因数の和:701302

約数の個数: 36

約数和(自身を含む): 2866832640

約数和(自身を除く): 1610140672

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 701279, 1402558, 2805116, 4908953, 5610232, 9817906, 11220464, 19635812, 22440928, 39271624, 44881856, 78543248, 89763712, 157086496, 179527424, 314172992, 628345984, 1256691968]

約数ペア:

[(1, 1256691968), (2, 628345984), (4, 314172992), (7, 179527424), (8, 157086496), (14, 89763712), (16, 78543248), (28, 44881856), (32, 39271624), (56, 22440928), (64, 19635812), (112, 11220464), (128, 9817906), (224, 5610232), (256, 4908953), (448, 2805116), (896, 1402558), (1792, 701279)]