991774448

素因数分解:

$2^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{188407}}^1$

素因数の和:188469

約数の個数: 40

約数和(自身を含む): 2242808832

約数和(自身を除く): 1251034384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 56, 94, 112, 188, 329, 376, 658, 752, 1316, 2632, 5264, 188407, 376814, 753628, 1318849, 1507256, 2637698, 3014512, 5275396, 8855129, 10550792, 17710258, 21101584, 35420516, 61985903, 70841032, 123971806, 141682064, 247943612, 495887224, 991774448]

約数ペア:

[(1, 991774448), (2, 495887224), (4, 247943612), (7, 141682064), (8, 123971806), (14, 70841032), (16, 61985903), (28, 35420516), (47, 21101584), (56, 17710258), (94, 10550792), (112, 8855129), (188, 5275396), (329, 3014512), (376, 2637698), (658, 1507256), (752, 1318849), (1316, 753628), (2632, 376814), (5264, 188407)]