257368608

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{127663}}^1$

素因数の和:127686

約数の個数: 72

約数和(自身を含む): 836454528

約数和(自身を除く): 579085920

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, 127663, 255326, 382989, 510652, 765978, 893641, 1021304, 1148967, 1531956, 1787282, 2042608, 2297934, 2680923, 3063912, 3574564, 4085216, 4595868, 5361846, 6127824, 7149128, 8042769, 9191736, 10723692, 12255648, 14298256, 16085538, 18383472, 21447384, 28596512, 32171076, 36766944, 42894768, 64342152, 85789536, 128684304, 257368608]

約数ペア:

[(1, 257368608), (2, 128684304), (3, 85789536), (4, 64342152), (6, 42894768), (7, 36766944), (8, 32171076), (9, 28596512), (12, 21447384), (14, 18383472), (16, 16085538), (18, 14298256), (21, 12255648), (24, 10723692), (28, 9191736), (32, 8042769), (36, 7149128), (42, 6127824), (48, 5361846), (56, 4595868), (63, 4085216), (72, 3574564), (84, 3063912), (96, 2680923), (112, 2297934), (126, 2042608), (144, 1787282), (168, 1531956), (224, 1148967), (252, 1021304), (288, 893641), (336, 765978), (504, 510652), (672, 382989), (1008, 255326), (2016, 127663)]