163856896

素因数分解:

$2^9\times 7^1\times {\mathrm{131}}^1\times {\mathrm{349}}^1$

素因数の和:505

約数の個数: 80

約数和(自身を含む): 378100800

約数和(自身を除く): 214243904

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 131, 224, 256, 262, 349, 448, 512, 524, 698, 896, 917, 1048, 1396, 1792, 1834, 2096, 2443, 2792, 3584, 3668, 4192, 4886, 5584, 7336, 8384, 9772, 11168, 14672, 16768, 19544, 22336, 29344, 33536, 39088, 44672, 45719, 58688, 67072, 78176, 89344, 91438, 117376, 156352, 178688, 182876, 234752, 312704, 320033, 365752, 469504, 625408, 640066, 731504, 1250816, 1280132, 1463008, 2560264, 2926016, 5120528, 5852032, 10241056, 11704064, 20482112, 23408128, 40964224, 81928448, 163856896]

約数ペア:

[(1, 163856896), (2, 81928448), (4, 40964224), (7, 23408128), (8, 20482112), (14, 11704064), (16, 10241056), (28, 5852032), (32, 5120528), (56, 2926016), (64, 2560264), (112, 1463008), (128, 1280132), (131, 1250816), (224, 731504), (256, 640066), (262, 625408), (349, 469504), (448, 365752), (512, 320033), (524, 312704), (698, 234752), (896, 182876), (917, 178688), (1048, 156352), (1396, 117376), (1792, 91438), (1834, 89344), (2096, 78176), (2443, 67072), (2792, 58688), (3584, 45719), (3668, 44672), (4192, 39088), (4886, 33536), (5584, 29344), (7336, 22336), (8384, 19544), (9772, 16768), (11168, 14672)]