261356256

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{129641}}^1$

素因数の和:129664

約数の個数: 72

約数和(自身を含む): 849414384

約数和(自身を除く): 588058128

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 129641, 259282, 388923, 518564, 777846, 907487, 1037128, 1166769, 1555692, 1814974, 2074256, 2333538, 2722461, 3111384, 3629948, 4148512, 4667076, 5444922, 6222768, 7259896, 8167383, 9334152, 10889844, 12445536, 14519792, 16334766, 18668304, 21779688, 29039584, 32669532, 37336608, 43559376, 65339064, 87118752, 130678128, 261356256]

約数ペア:

[(1, 261356256), (2, 130678128), (3, 87118752), (4, 65339064), (6, 43559376), (7, 37336608), (8, 32669532), (9, 29039584), (12, 21779688), (14, 18668304), (16, 16334766), (18, 14519792), (21, 12445536), (24, 10889844), (28, 9334152), (32, 8167383), (36, 7259896), (42, 6222768), (48, 5444922), (56, 4667076), (63, 4148512), (72, 3629948), (84, 3111384), (96, 2722461), (112, 2333538), (126, 2074256), (144, 1814974), (168, 1555692), (224, 1166769), (252, 1037128), (288, 907487), (336, 777846), (504, 518564), (672, 388923), (1008, 259282), (2016, 129641)]