90918720004

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{817291}}^1$

素因数の和:817468

約数の個数: 48

約数和(自身を含む): 189480977280

約数和(自身を除く): 98562257276

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 137, 203, 274, 406, 548, 812, 959, 1918, 3836, 3973, 7946, 15892, 27811, 55622, 111244, 817291, 1634582, 3269164, 5721037, 11442074, 22884148, 23701439, 47402878, 94805756, 111968867, 165910073, 223937734, 331820146, 447875468, 663640292, 783782069, 1567564138, 3135128276, 3247097143, 6494194286, 12988388572, 22729680001, 45459360002, 90918720004]

約数ペア:

[(1, 90918720004), (2, 45459360002), (4, 22729680001), (7, 12988388572), (14, 6494194286), (28, 3247097143), (29, 3135128276), (58, 1567564138), (116, 783782069), (137, 663640292), (203, 447875468), (274, 331820146), (406, 223937734), (548, 165910073), (812, 111968867), (959, 94805756), (1918, 47402878), (3836, 23701439), (3973, 22884148), (7946, 11442074), (15892, 5721037), (27811, 3269164), (55622, 1634582), (111244, 817291)]