491008

素因数分解:

$2^9\times 7^1\times {\mathrm{137}}^1$

素因数の和:162

約数の個数: 40

約数和(自身を含む): 1129392

約数和(自身を除く): 638384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 137, 224, 256, 274, 448, 512, 548, 896, 959, 1096, 1792, 1918, 2192, 3584, 3836, 4384, 7672, 8768, 15344, 17536, 30688, 35072, 61376, 70144, 122752, 245504, 491008]

約数ペア:

[(1, 491008), (2, 245504), (4, 122752), (7, 70144), (8, 61376), (14, 35072), (16, 30688), (28, 17536), (32, 15344), (56, 8768), (64, 7672), (112, 4384), (128, 3836), (137, 3584), (224, 2192), (256, 1918), (274, 1792), (448, 1096), (512, 959), (548, 896)]