890290688

素因数分解:

$2^9\times 7^1\times {\mathrm{248407}}^1$

素因数の和:248432

約数の個数: 40

約数和(自身を含む): 2032971072

約数和(自身を除く): 1142680384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 248407, 496814, 993628, 1738849, 1987256, 3477698, 3974512, 6955396, 7949024, 13910792, 15898048, 27821584, 31796096, 55643168, 63592192, 111286336, 127184384, 222572672, 445145344, 890290688]

約数ペア:

[(1, 890290688), (2, 445145344), (4, 222572672), (7, 127184384), (8, 111286336), (14, 63592192), (16, 55643168), (28, 31796096), (32, 27821584), (56, 15898048), (64, 13910792), (112, 7949024), (128, 6955396), (224, 3974512), (256, 3477698), (448, 1987256), (512, 1738849), (896, 993628), (1792, 496814), (3584, 248407)]