642883772

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1\times {\mathrm{1069}}^1$

素因数の和:1326

約数の個数: 48

約数和(自身を含む): 1220570400

約数和(自身を除く): 577686628

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 164, 193, 386, 772, 779, 1069, 1558, 2138, 3116, 3667, 4276, 7334, 7913, 14668, 15826, 20311, 31652, 40622, 43829, 81244, 87658, 150347, 175316, 206317, 300694, 412634, 601388, 825268, 832751, 1665502, 3331004, 3920023, 7840046, 8458997, 15680092, 16917994, 33835988, 160720943, 321441886, 642883772]

約数ペア:

[(1, 642883772), (2, 321441886), (4, 160720943), (19, 33835988), (38, 16917994), (41, 15680092), (76, 8458997), (82, 7840046), (164, 3920023), (193, 3331004), (386, 1665502), (772, 832751), (779, 825268), (1069, 601388), (1558, 412634), (2138, 300694), (3116, 206317), (3667, 175316), (4276, 150347), (7334, 87658), (7913, 81244), (14668, 43829), (15826, 40622), (20311, 31652)]