401591736

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20431}}^1$

素因数の和:20466

約数の個数: 128

約数和(自身を含む): 1373030400

約数和(自身を除く): 971438664

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 27, 28, 36, 39, 42, 52, 54, 56, 63, 72, 78, 84, 91, 104, 108, 117, 126, 156, 168, 182, 189, 216, 234, 252, 273, 312, 351, 364, 378, 468, 504, 546, 702, 728, 756, 819, 936, 1092, 1404, 1512, 1638, 2184, 2457, 2808, 3276, 4914, 6552, 9828, 19656, 20431, 40862, 61293, 81724, 122586, 143017, 163448, 183879, 245172, 265603, 286034, 367758, 429051, 490344, 531206, 551637, 572068, 735516, 796809, 858102, 1062412, 1103274, 1144136, 1287153, 1471032, 1593618, 1716204, 1859221, 2124824, 2206548, 2390427, 2574306, 3187236, 3432408, 3718442, 3861459, 4413096, 4780854, 5148612, 5577663, 6374472, 7171281, 7436884, 7722918, 9561708, 10297224, 11155326, 14342562, 14873768, 15445836, 16732989, 19123416, 22310652, 28685124, 30891672, 33465978, 44621304, 50198967, 57370248, 66931956, 100397934, 133863912, 200795868, 401591736]

約数ペア:

[(1, 401591736), (2, 200795868), (3, 133863912), (4, 100397934), (6, 66931956), (7, 57370248), (8, 50198967), (9, 44621304), (12, 33465978), (13, 30891672), (14, 28685124), (18, 22310652), (21, 19123416), (24, 16732989), (26, 15445836), (27, 14873768), (28, 14342562), (36, 11155326), (39, 10297224), (42, 9561708), (52, 7722918), (54, 7436884), (56, 7171281), (63, 6374472), (72, 5577663), (78, 5148612), (84, 4780854), (91, 4413096), (104, 3861459), (108, 3718442), (117, 3432408), (126, 3187236), (156, 2574306), (168, 2390427), (182, 2206548), (189, 2124824), (216, 1859221), (234, 1716204), (252, 1593618), (273, 1471032), (312, 1287153), (351, 1144136), (364, 1103274), (378, 1062412), (468, 858102), (504, 796809), (546, 735516), (702, 572068), (728, 551637), (756, 531206), (819, 490344), (936, 429051), (1092, 367758), (1404, 286034), (1512, 265603), (1638, 245172), (2184, 183879), (2457, 163448), (2808, 143017), (3276, 122586), (4914, 81724), (6552, 61293), (9828, 40862), (19656, 20431)]