257339124

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{24907}}^1$

素因数の和:24965

約数の個数: 72

約数和(自身を含む): 761587008

約数和(自身を除く): 504247884

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 41, 42, 63, 82, 84, 123, 126, 164, 246, 252, 287, 369, 492, 574, 738, 861, 1148, 1476, 1722, 2583, 3444, 5166, 10332, 24907, 49814, 74721, 99628, 149442, 174349, 224163, 298884, 348698, 448326, 523047, 697396, 896652, 1021187, 1046094, 1569141, 2042374, 2092188, 3063561, 3138282, 4084748, 6127122, 6276564, 7148309, 9190683, 12254244, 14296618, 18381366, 21444927, 28593236, 36762732, 42889854, 64334781, 85779708, 128669562, 257339124]

約数ペア:

[(1, 257339124), (2, 128669562), (3, 85779708), (4, 64334781), (6, 42889854), (7, 36762732), (9, 28593236), (12, 21444927), (14, 18381366), (18, 14296618), (21, 12254244), (28, 9190683), (36, 7148309), (41, 6276564), (42, 6127122), (63, 4084748), (82, 3138282), (84, 3063561), (123, 2092188), (126, 2042374), (164, 1569141), (246, 1046094), (252, 1021187), (287, 896652), (369, 697396), (492, 523047), (574, 448326), (738, 348698), (861, 298884), (1148, 224163), (1476, 174349), (1722, 149442), (2583, 99628), (3444, 74721), (5166, 49814), (10332, 24907)]