655956

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1$

素因数の和:173

約数の個数: 72

約数和(自身を含む): 2009280

約数和(自身を除く): 1353324

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 133, 137, 171, 228, 252, 266, 274, 342, 399, 411, 532, 548, 684, 798, 822, 959, 1197, 1233, 1596, 1644, 1918, 2394, 2466, 2603, 2877, 3836, 4788, 4932, 5206, 5754, 7809, 8631, 10412, 11508, 15618, 17262, 18221, 23427, 31236, 34524, 36442, 46854, 54663, 72884, 93708, 109326, 163989, 218652, 327978, 655956]

約数ペア:

[(1, 655956), (2, 327978), (3, 218652), (4, 163989), (6, 109326), (7, 93708), (9, 72884), (12, 54663), (14, 46854), (18, 36442), (19, 34524), (21, 31236), (28, 23427), (36, 18221), (38, 17262), (42, 15618), (57, 11508), (63, 10412), (76, 8631), (84, 7809), (114, 5754), (126, 5206), (133, 4932), (137, 4788), (171, 3836), (228, 2877), (252, 2603), (266, 2466), (274, 2394), (342, 1918), (399, 1644), (411, 1596), (532, 1233), (548, 1197), (684, 959), (798, 822)]