428288

素因数分解:

$2^8\times 7^1\times {\mathrm{239}}^1$

素因数の和:262

約数の個数: 36

約数和(自身を含む): 981120

約数和(自身を除く): 552832

約数列:

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

約数ペア:

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