256129552

素因数分解:

$2^4\times 7^1\times {\mathrm{73}}^1\times {\mathrm{31327}}^1$

素因数の和:31415

約数の個数: 40

約数和(自身を含む): 574931456

約数和(自身を除く): 318801904

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 73, 112, 146, 292, 511, 584, 1022, 1168, 2044, 4088, 8176, 31327, 62654, 125308, 219289, 250616, 438578, 501232, 877156, 1754312, 2286871, 3508624, 4573742, 9147484, 16008097, 18294968, 32016194, 36589936, 64032388, 128064776, 256129552]

約数ペア:

[(1, 256129552), (2, 128064776), (4, 64032388), (7, 36589936), (8, 32016194), (14, 18294968), (16, 16008097), (28, 9147484), (56, 4573742), (73, 3508624), (112, 2286871), (146, 1754312), (292, 877156), (511, 501232), (584, 438578), (1022, 250616), (1168, 219289), (2044, 125308), (4088, 62654), (8176, 31327)]