15728384

素因数分解:

$2^8\times 7^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 36693888

約数和(自身を除く): 20965504

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, 524, 536, 896, 917, 938, 1048, 1072, 1792, 1834, 1876, 2096, 2144, 3668, 3752, 4192, 4288, 7336, 7504, 8384, 8576, 8777, 14672, 15008, 16768, 17152, 17554, 29344, 30016, 33536, 35108, 58688, 60032, 61439, 70216, 117376, 120064, 122878, 140432, 234752, 245756, 280864, 491512, 561728, 983024, 1123456, 1966048, 2246912, 3932096, 7864192, 15728384]

約数ペア:

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