820734208

素因数分解:

$2^8\times 7^1\times {\mathrm{23}}^1\times {\mathrm{19913}}^1$

素因数の和:19959

約数の個数: 72

約数和(自身を含む): 1953802368

約数和(自身を除く): 1133068160

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 92, 112, 128, 161, 184, 224, 256, 322, 368, 448, 644, 736, 896, 1288, 1472, 1792, 2576, 2944, 5152, 5888, 10304, 19913, 20608, 39826, 41216, 79652, 139391, 159304, 278782, 318608, 457999, 557564, 637216, 915998, 1115128, 1274432, 1831996, 2230256, 2548864, 3205993, 3663992, 4460512, 5097728, 6411986, 7327984, 8921024, 12823972, 14655968, 17842048, 25647944, 29311936, 35684096, 51295888, 58623872, 102591776, 117247744, 205183552, 410367104, 820734208]

約数ペア:

[(1, 820734208), (2, 410367104), (4, 205183552), (7, 117247744), (8, 102591776), (14, 58623872), (16, 51295888), (23, 35684096), (28, 29311936), (32, 25647944), (46, 17842048), (56, 14655968), (64, 12823972), (92, 8921024), (112, 7327984), (128, 6411986), (161, 5097728), (184, 4460512), (224, 3663992), (256, 3205993), (322, 2548864), (368, 2230256), (448, 1831996), (644, 1274432), (736, 1115128), (896, 915998), (1288, 637216), (1472, 557564), (1792, 457999), (2576, 318608), (2944, 278782), (5152, 159304), (5888, 139391), (10304, 79652), (19913, 41216), (20608, 39826)]