257493312

素因数分解:

$2^6\times 3^2\times {\mathrm{409}}^1\times {\mathrm{1093}}^1$

素因数の和:1520

約数の個数: 84

約数和(自身を含む): 740539540

約数和(自身を除く): 483046228

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 192, 288, 409, 576, 818, 1093, 1227, 1636, 2186, 2454, 3272, 3279, 3681, 4372, 4908, 6544, 6558, 7362, 8744, 9816, 9837, 13088, 13116, 14724, 17488, 19632, 19674, 26176, 26232, 29448, 34976, 39264, 39348, 52464, 58896, 69952, 78528, 78696, 104928, 117792, 157392, 209856, 235584, 314784, 447037, 629568, 894074, 1341111, 1788148, 2682222, 3576296, 4023333, 5364444, 7152592, 8046666, 10728888, 14305184, 16093332, 21457776, 28610368, 32186664, 42915552, 64373328, 85831104, 128746656, 257493312]

約数ペア:

[(1, 257493312), (2, 128746656), (3, 85831104), (4, 64373328), (6, 42915552), (8, 32186664), (9, 28610368), (12, 21457776), (16, 16093332), (18, 14305184), (24, 10728888), (32, 8046666), (36, 7152592), (48, 5364444), (64, 4023333), (72, 3576296), (96, 2682222), (144, 1788148), (192, 1341111), (288, 894074), (409, 629568), (576, 447037), (818, 314784), (1093, 235584), (1227, 209856), (1636, 157392), (2186, 117792), (2454, 104928), (3272, 78696), (3279, 78528), (3681, 69952), (4372, 58896), (4908, 52464), (6544, 39348), (6558, 39264), (7362, 34976), (8744, 29448), (9816, 26232), (9837, 26176), (13088, 19674), (13116, 19632), (14724, 17488)]