856576

素因数分解:

$2^9\times 7^1\times {\mathrm{239}}^1$

素因数の和:264

約数の個数: 40

約数和(自身を含む): 1964160

約数和(自身を除く): 1107584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 239, 256, 448, 478, 512, 896, 956, 1673, 1792, 1912, 3346, 3584, 3824, 6692, 7648, 13384, 15296, 26768, 30592, 53536, 61184, 107072, 122368, 214144, 428288, 856576]

約数ペア:

[(1, 856576), (2, 428288), (4, 214144), (7, 122368), (8, 107072), (14, 61184), (16, 53536), (28, 30592), (32, 26768), (56, 15296), (64, 13384), (112, 7648), (128, 6692), (224, 3824), (239, 3584), (256, 3346), (448, 1912), (478, 1792), (512, 1673), (896, 956)]