205342208

素因数分解:

$2^9\times {\mathrm{389}}^1\times {\mathrm{1031}}^1$

素因数の和:1438

約数の個数: 40

約数和(自身を含む): 411737040

約数和(自身を除く): 206394832

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 389, 512, 778, 1031, 1556, 2062, 3112, 4124, 6224, 8248, 12448, 16496, 24896, 32992, 49792, 65984, 99584, 131968, 199168, 263936, 401059, 527872, 802118, 1604236, 3208472, 6416944, 12833888, 25667776, 51335552, 102671104, 205342208]

約数ペア:

[(1, 205342208), (2, 102671104), (4, 51335552), (8, 25667776), (16, 12833888), (32, 6416944), (64, 3208472), (128, 1604236), (256, 802118), (389, 527872), (512, 401059), (778, 263936), (1031, 199168), (1556, 131968), (2062, 99584), (3112, 65984), (4124, 49792), (6224, 32992), (8248, 24896), (12448, 16496)]