213353728

素因数分解:

$2^8\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1777}}^1$

素因数の和:1867

約数の個数: 72

約数和(自身を含む): 494255552

約数和(自身を除く): 280901824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 67, 112, 128, 134, 224, 256, 268, 448, 469, 536, 896, 938, 1072, 1777, 1792, 1876, 2144, 3554, 3752, 4288, 7108, 7504, 8576, 12439, 14216, 15008, 17152, 24878, 28432, 30016, 49756, 56864, 60032, 99512, 113728, 119059, 120064, 199024, 227456, 238118, 398048, 454912, 476236, 796096, 833413, 952472, 1592192, 1666826, 1904944, 3184384, 3333652, 3809888, 6667304, 7619776, 13334608, 15239552, 26669216, 30479104, 53338432, 106676864, 213353728]

約数ペア:

[(1, 213353728), (2, 106676864), (4, 53338432), (7, 30479104), (8, 26669216), (14, 15239552), (16, 13334608), (28, 7619776), (32, 6667304), (56, 3809888), (64, 3333652), (67, 3184384), (112, 1904944), (128, 1666826), (134, 1592192), (224, 952472), (256, 833413), (268, 796096), (448, 476236), (469, 454912), (536, 398048), (896, 238118), (938, 227456), (1072, 199024), (1777, 120064), (1792, 119059), (1876, 113728), (2144, 99512), (3554, 60032), (3752, 56864), (4288, 49756), (7108, 30016), (7504, 28432), (8576, 24878), (12439, 17152), (14216, 15008)]