1564663808

素因数分解:

$2^{13}\times {\mathrm{389}}^1\times {\mathrm{491}}^1$

素因数の和:906

約数の個数: 56

約数和(自身を含む): 3143570040

約数和(自身を除く): 1578906232

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 389, 491, 512, 778, 982, 1024, 1556, 1964, 2048, 3112, 3928, 4096, 6224, 7856, 8192, 12448, 15712, 24896, 31424, 49792, 62848, 99584, 125696, 190999, 199168, 251392, 381998, 398336, 502784, 763996, 796672, 1005568, 1527992, 1593344, 2011136, 3055984, 3186688, 4022272, 6111968, 12223936, 24447872, 48895744, 97791488, 195582976, 391165952, 782331904, 1564663808]

約数ペア:

[(1, 1564663808), (2, 782331904), (4, 391165952), (8, 195582976), (16, 97791488), (32, 48895744), (64, 24447872), (128, 12223936), (256, 6111968), (389, 4022272), (491, 3186688), (512, 3055984), (778, 2011136), (982, 1593344), (1024, 1527992), (1556, 1005568), (1964, 796672), (2048, 763996), (3112, 502784), (3928, 398336), (4096, 381998), (6224, 251392), (7856, 199168), (8192, 190999), (12448, 125696), (15712, 99584), (24896, 62848), (31424, 49792)]