217229584

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{263}}^1$

素因数の和:333

約数の個数: 120

約数和(自身を含む): 523841472

約数和(自身を除く): 306611888

約数列:

[1, 2, 4, 8, 11, 13, 16, 19, 22, 26, 38, 44, 52, 76, 88, 104, 143, 152, 176, 208, 209, 247, 263, 286, 304, 361, 418, 494, 526, 572, 722, 836, 988, 1052, 1144, 1444, 1672, 1976, 2104, 2288, 2717, 2888, 2893, 3344, 3419, 3952, 3971, 4208, 4693, 4997, 5434, 5776, 5786, 6838, 7942, 9386, 9994, 10868, 11572, 13676, 15884, 18772, 19988, 21736, 23144, 27352, 31768, 37544, 37609, 39976, 43472, 46288, 51623, 54704, 54967, 63536, 64961, 75088, 75218, 79952, 94943, 103246, 109934, 129922, 150436, 189886, 206492, 219868, 259844, 300872, 379772, 412984, 439736, 519688, 601744, 714571, 759544, 825968, 879472, 1039376, 1044373, 1234259, 1429142, 1519088, 2088746, 2468518, 2858284, 4177492, 4937036, 5716568, 8354984, 9874072, 11433136, 13576849, 16709968, 19748144, 27153698, 54307396, 108614792, 217229584]

約数ペア:

[(1, 217229584), (2, 108614792), (4, 54307396), (8, 27153698), (11, 19748144), (13, 16709968), (16, 13576849), (19, 11433136), (22, 9874072), (26, 8354984), (38, 5716568), (44, 4937036), (52, 4177492), (76, 2858284), (88, 2468518), (104, 2088746), (143, 1519088), (152, 1429142), (176, 1234259), (208, 1044373), (209, 1039376), (247, 879472), (263, 825968), (286, 759544), (304, 714571), (361, 601744), (418, 519688), (494, 439736), (526, 412984), (572, 379772), (722, 300872), (836, 259844), (988, 219868), (1052, 206492), (1144, 189886), (1444, 150436), (1672, 129922), (1976, 109934), (2104, 103246), (2288, 94943), (2717, 79952), (2888, 75218), (2893, 75088), (3344, 64961), (3419, 63536), (3952, 54967), (3971, 54704), (4208, 51623), (4693, 46288), (4997, 43472), (5434, 39976), (5776, 37609), (5786, 37544), (6838, 31768), (7942, 27352), (9386, 23144), (9994, 21736), (10868, 19988), (11572, 18772), (13676, 15884)]