217186816

素因数分解:

$2^9\times 7^2\times {\mathrm{11}}^1\times {\mathrm{787}}^1$

素因数の和:830

約数の個数: 120

約数和(自身を含む): 551388816

約数和(自身を除く): 334202000

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 64, 77, 88, 98, 112, 128, 154, 176, 196, 224, 256, 308, 352, 392, 448, 512, 539, 616, 704, 784, 787, 896, 1078, 1232, 1408, 1568, 1574, 1792, 2156, 2464, 2816, 3136, 3148, 3584, 4312, 4928, 5509, 5632, 6272, 6296, 8624, 8657, 9856, 11018, 12544, 12592, 17248, 17314, 19712, 22036, 25088, 25184, 34496, 34628, 38563, 39424, 44072, 50368, 60599, 68992, 69256, 77126, 88144, 100736, 121198, 137984, 138512, 154252, 176288, 201472, 242396, 275968, 277024, 308504, 352576, 402944, 424193, 484792, 554048, 617008, 705152, 848386, 969584, 1108096, 1234016, 1410304, 1696772, 1939168, 2216192, 2468032, 2820608, 3393544, 3878336, 4432384, 4936064, 6787088, 7756672, 9872128, 13574176, 15513344, 19744256, 27148352, 31026688, 54296704, 108593408, 217186816]

約数ペア:

[(1, 217186816), (2, 108593408), (4, 54296704), (7, 31026688), (8, 27148352), (11, 19744256), (14, 15513344), (16, 13574176), (22, 9872128), (28, 7756672), (32, 6787088), (44, 4936064), (49, 4432384), (56, 3878336), (64, 3393544), (77, 2820608), (88, 2468032), (98, 2216192), (112, 1939168), (128, 1696772), (154, 1410304), (176, 1234016), (196, 1108096), (224, 969584), (256, 848386), (308, 705152), (352, 617008), (392, 554048), (448, 484792), (512, 424193), (539, 402944), (616, 352576), (704, 308504), (784, 277024), (787, 275968), (896, 242396), (1078, 201472), (1232, 176288), (1408, 154252), (1568, 138512), (1574, 137984), (1792, 121198), (2156, 100736), (2464, 88144), (2816, 77126), (3136, 69256), (3148, 68992), (3584, 60599), (4312, 50368), (4928, 44072), (5509, 39424), (5632, 38563), (6272, 34628), (6296, 34496), (8624, 25184), (8657, 25088), (9856, 22036), (11018, 19712), (12544, 17314), (12592, 17248)]