31456768

素因数分解:

$2^9\times 7^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:223

約数の個数: 80

約数和(自身を含む): 73459584

約数和(自身を除く): 42002816

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 67, 112, 128, 131, 134, 224, 256, 262, 268, 448, 469, 512, 524, 536, 896, 917, 938, 1048, 1072, 1792, 1834, 1876, 2096, 2144, 3584, 3668, 3752, 4192, 4288, 7336, 7504, 8384, 8576, 8777, 14672, 15008, 16768, 17152, 17554, 29344, 30016, 33536, 34304, 35108, 58688, 60032, 61439, 67072, 70216, 117376, 120064, 122878, 140432, 234752, 240128, 245756, 280864, 469504, 491512, 561728, 983024, 1123456, 1966048, 2246912, 3932096, 4493824, 7864192, 15728384, 31456768]

約数ペア:

[(1, 31456768), (2, 15728384), (4, 7864192), (7, 4493824), (8, 3932096), (14, 2246912), (16, 1966048), (28, 1123456), (32, 983024), (56, 561728), (64, 491512), (67, 469504), (112, 280864), (128, 245756), (131, 240128), (134, 234752), (224, 140432), (256, 122878), (262, 120064), (268, 117376), (448, 70216), (469, 67072), (512, 61439), (524, 60032), (536, 58688), (896, 35108), (917, 34304), (938, 33536), (1048, 30016), (1072, 29344), (1792, 17554), (1834, 17152), (1876, 16768), (2096, 15008), (2144, 14672), (3584, 8777), (3668, 8576), (3752, 8384), (4192, 7504), (4288, 7336)]