161784378

素因数分解:

$2^1\times 3^4\times 7^2\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:346

約数の個数: 120

約数和(自身を含む): 428303700

約数和(自身を除く): 266519322

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 81, 89, 98, 126, 147, 162, 178, 189, 229, 267, 294, 378, 441, 458, 534, 567, 623, 687, 801, 882, 1134, 1246, 1323, 1374, 1602, 1603, 1869, 2061, 2403, 2646, 3206, 3738, 3969, 4122, 4361, 4806, 4809, 5607, 6183, 7209, 7938, 8722, 9618, 11214, 11221, 12366, 13083, 14418, 14427, 16821, 18549, 20381, 22442, 26166, 28854, 33642, 33663, 37098, 39249, 40762, 43281, 50463, 61143, 67326, 78498, 86562, 100926, 100989, 117747, 122286, 129843, 142667, 183429, 201978, 235494, 259686, 285334, 302967, 353241, 366858, 428001, 550287, 605934, 706482, 856002, 908901, 998669, 1100574, 1284003, 1650861, 1817802, 1997338, 2568006, 2996007, 3301722, 3852009, 5992014, 7704018, 8988021, 11556027, 17976042, 23112054, 26964063, 53928126, 80892189, 161784378]

約数ペア:

[(1, 161784378), (2, 80892189), (3, 53928126), (6, 26964063), (7, 23112054), (9, 17976042), (14, 11556027), (18, 8988021), (21, 7704018), (27, 5992014), (42, 3852009), (49, 3301722), (54, 2996007), (63, 2568006), (81, 1997338), (89, 1817802), (98, 1650861), (126, 1284003), (147, 1100574), (162, 998669), (178, 908901), (189, 856002), (229, 706482), (267, 605934), (294, 550287), (378, 428001), (441, 366858), (458, 353241), (534, 302967), (567, 285334), (623, 259686), (687, 235494), (801, 201978), (882, 183429), (1134, 142667), (1246, 129843), (1323, 122286), (1374, 117747), (1602, 100989), (1603, 100926), (1869, 86562), (2061, 78498), (2403, 67326), (2646, 61143), (3206, 50463), (3738, 43281), (3969, 40762), (4122, 39249), (4361, 37098), (4806, 33663), (4809, 33642), (5607, 28854), (6183, 26166), (7209, 22442), (7938, 20381), (8722, 18549), (9618, 16821), (11214, 14427), (11221, 14418), (12366, 13083)]