637828828

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{11161}}^1$

素因数の和:11342

約数の個数: 48

約数和(自身を含む): 1382659264

約数和(自身を除く): 744830436

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 157, 182, 314, 364, 628, 1099, 2041, 2198, 4082, 4396, 8164, 11161, 14287, 22322, 28574, 44644, 57148, 78127, 145093, 156254, 290186, 312508, 580372, 1015651, 1752277, 2031302, 3504554, 4062604, 7009108, 12265939, 22779601, 24531878, 45559202, 49063756, 91118404, 159457207, 318914414, 637828828]

約数ペア:

[(1, 637828828), (2, 318914414), (4, 159457207), (7, 91118404), (13, 49063756), (14, 45559202), (26, 24531878), (28, 22779601), (52, 12265939), (91, 7009108), (157, 4062604), (182, 3504554), (314, 2031302), (364, 1752277), (628, 1015651), (1099, 580372), (2041, 312508), (2198, 290186), (4082, 156254), (4396, 145093), (8164, 78127), (11161, 57148), (14287, 44644), (22322, 28574)]