256535986

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{193}}^1\times {\mathrm{263}}^1$

素因数の和:503

約数の個数: 48

約数和(自身を含む): 468319104

約数和(自身を除く): 211783118

約数列:

[1, 2, 7, 14, 19, 38, 133, 193, 263, 266, 361, 386, 526, 722, 1351, 1841, 2527, 2702, 3667, 3682, 4997, 5054, 7334, 9994, 25669, 34979, 50759, 51338, 69673, 69958, 94943, 101518, 139346, 189886, 355313, 487711, 664601, 710626, 964421, 975422, 1329202, 1928842, 6750947, 13501894, 18323999, 36647998, 128267993, 256535986]

約数ペア:

[(1, 256535986), (2, 128267993), (7, 36647998), (14, 18323999), (19, 13501894), (38, 6750947), (133, 1928842), (193, 1329202), (263, 975422), (266, 964421), (361, 710626), (386, 664601), (526, 487711), (722, 355313), (1351, 189886), (1841, 139346), (2527, 101518), (2702, 94943), (3667, 69958), (3682, 69673), (4997, 51338), (5054, 50759), (7334, 34979), (9994, 25669)]