298317824

素因数分解:

$2^{11}\times 7^1\times {\mathrm{20809}}^1$

素因数の和:20838

約数の個数: 48

約数和(自身を含む): 681735600

約数和(自身を除く): 383417776

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1024, 1792, 2048, 3584, 7168, 14336, 20809, 41618, 83236, 145663, 166472, 291326, 332944, 582652, 665888, 1165304, 1331776, 2330608, 2663552, 4661216, 5327104, 9322432, 10654208, 18644864, 21308416, 37289728, 42616832, 74579456, 149158912, 298317824]

約数ペア:

[(1, 298317824), (2, 149158912), (4, 74579456), (7, 42616832), (8, 37289728), (14, 21308416), (16, 18644864), (28, 10654208), (32, 9322432), (56, 5327104), (64, 4661216), (112, 2663552), (128, 2330608), (224, 1331776), (256, 1165304), (448, 665888), (512, 582652), (896, 332944), (1024, 291326), (1792, 166472), (2048, 145663), (3584, 83236), (7168, 41618), (14336, 20809)]