216836816

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:257

約数の個数: 120

約数和(自身を含む): 526109184

約数和(自身を除く): 309272368

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 38, 56, 62, 76, 112, 124, 133, 152, 173, 217, 248, 266, 304, 346, 361, 434, 496, 532, 589, 692, 722, 868, 1064, 1178, 1211, 1384, 1444, 1736, 2128, 2356, 2422, 2527, 2768, 2888, 3287, 3472, 4123, 4712, 4844, 5054, 5363, 5776, 6574, 8246, 9424, 9688, 10108, 10726, 11191, 13148, 16492, 19376, 20216, 21452, 22382, 23009, 26296, 32984, 37541, 40432, 42904, 44764, 46018, 52592, 62453, 65968, 75082, 78337, 85808, 89528, 92036, 101897, 124906, 150164, 156674, 179056, 184072, 203794, 249812, 300328, 313348, 368144, 407588, 437171, 499624, 600656, 626696, 713279, 815176, 874342, 999248, 1253392, 1426558, 1630352, 1748684, 1936043, 2853116, 3497368, 3872086, 5706232, 6994736, 7744172, 11412464, 13552301, 15488344, 27104602, 30976688, 54209204, 108418408, 216836816]

約数ペア:

[(1, 216836816), (2, 108418408), (4, 54209204), (7, 30976688), (8, 27104602), (14, 15488344), (16, 13552301), (19, 11412464), (28, 7744172), (31, 6994736), (38, 5706232), (56, 3872086), (62, 3497368), (76, 2853116), (112, 1936043), (124, 1748684), (133, 1630352), (152, 1426558), (173, 1253392), (217, 999248), (248, 874342), (266, 815176), (304, 713279), (346, 626696), (361, 600656), (434, 499624), (496, 437171), (532, 407588), (589, 368144), (692, 313348), (722, 300328), (868, 249812), (1064, 203794), (1178, 184072), (1211, 179056), (1384, 156674), (1444, 150164), (1736, 124906), (2128, 101897), (2356, 92036), (2422, 89528), (2527, 85808), (2768, 78337), (2888, 75082), (3287, 65968), (3472, 62453), (4123, 52592), (4712, 46018), (4844, 44764), (5054, 42904), (5363, 40432), (5776, 37541), (6574, 32984), (8246, 26296), (9424, 23009), (9688, 22382), (10108, 21452), (10726, 20216), (11191, 19376), (13148, 16492)]