256800904

素因数分解:

$2^3\times {\mathrm{97}}^1\times {\mathrm{149}}^1\times {\mathrm{2221}}^1$

素因数の和:2473

約数の個数: 32

約数和(自身を含む): 489951000

約数和(自身を除く): 233150096

約数列:

[1, 2, 4, 8, 97, 149, 194, 298, 388, 596, 776, 1192, 2221, 4442, 8884, 14453, 17768, 28906, 57812, 115624, 215437, 330929, 430874, 661858, 861748, 1323716, 1723496, 2647432, 32100113, 64200226, 128400452, 256800904]

約数ペア:

[(1, 256800904), (2, 128400452), (4, 64200226), (8, 32100113), (97, 2647432), (149, 1723496), (194, 1323716), (298, 861748), (388, 661858), (596, 430874), (776, 330929), (1192, 215437), (2221, 115624), (4442, 57812), (8884, 28906), (14453, 17768)]