319126528

素因数分解:

$2^{10}\times 7^1\times {\mathrm{211}}^2$

素因数の和:449

約数の個数: 66

約数和(自身を含む): 732547608

約数和(自身を除く): 413421080

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 211, 224, 256, 422, 448, 512, 844, 896, 1024, 1477, 1688, 1792, 2954, 3376, 3584, 5908, 6752, 7168, 11816, 13504, 23632, 27008, 44521, 47264, 54016, 89042, 94528, 108032, 178084, 189056, 216064, 311647, 356168, 378112, 623294, 712336, 756224, 1246588, 1424672, 1512448, 2493176, 2849344, 4986352, 5698688, 9972704, 11397376, 19945408, 22794752, 39890816, 45589504, 79781632, 159563264, 319126528]

約数ペア:

[(1, 319126528), (2, 159563264), (4, 79781632), (7, 45589504), (8, 39890816), (14, 22794752), (16, 19945408), (28, 11397376), (32, 9972704), (56, 5698688), (64, 4986352), (112, 2849344), (128, 2493176), (211, 1512448), (224, 1424672), (256, 1246588), (422, 756224), (448, 712336), (512, 623294), (844, 378112), (896, 356168), (1024, 311647), (1477, 216064), (1688, 189056), (1792, 178084), (2954, 108032), (3376, 94528), (3584, 89042), (5908, 54016), (6752, 47264), (7168, 44521), (11816, 27008), (13504, 23632)]