81928448

素因数分解:

$2^8\times 7^1\times {\mathrm{131}}^1\times {\mathrm{349}}^1$

素因数の和:503

約数の個数: 72

約数和(自身を含む): 188865600

約数和(自身を除く): 106937152

約数列:

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

約数ペア:

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