257171328

素因数分解:

$2^7\times 3^3\times {\mathrm{74413}}^1$

素因数の和:74436

約数の個数: 64

約数和(自身を含む): 759022800

約数和(自身を除く): 501851472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 128, 144, 192, 216, 288, 384, 432, 576, 864, 1152, 1728, 3456, 74413, 148826, 223239, 297652, 446478, 595304, 669717, 892956, 1190608, 1339434, 1785912, 2009151, 2381216, 2678868, 3571824, 4018302, 4762432, 5357736, 7143648, 8036604, 9524864, 10715472, 14287296, 16073208, 21430944, 28574592, 32146416, 42861888, 64292832, 85723776, 128585664, 257171328]

約数ペア:

[(1, 257171328), (2, 128585664), (3, 85723776), (4, 64292832), (6, 42861888), (8, 32146416), (9, 28574592), (12, 21430944), (16, 16073208), (18, 14287296), (24, 10715472), (27, 9524864), (32, 8036604), (36, 7143648), (48, 5357736), (54, 4762432), (64, 4018302), (72, 3571824), (96, 2678868), (108, 2381216), (128, 2009151), (144, 1785912), (192, 1339434), (216, 1190608), (288, 892956), (384, 669717), (432, 595304), (576, 446478), (864, 297652), (1152, 223239), (1728, 148826), (3456, 74413)]