636974324

素因数分解:

$2^2\times 7^3\times {\mathrm{199}}^1\times {\mathrm{2333}}^1$

素因数の和:2557

約数の個数: 48

約数和(自身を含む): 1307040000

約数和(自身を除く): 670065676

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 199, 343, 398, 686, 796, 1372, 1393, 2333, 2786, 4666, 5572, 9332, 9751, 16331, 19502, 32662, 39004, 65324, 68257, 114317, 136514, 228634, 273028, 457268, 464267, 800219, 928534, 1600438, 1857068, 3200876, 3249869, 6499738, 12999476, 22749083, 45498166, 90996332, 159243581, 318487162, 636974324]

約数ペア:

[(1, 636974324), (2, 318487162), (4, 159243581), (7, 90996332), (14, 45498166), (28, 22749083), (49, 12999476), (98, 6499738), (196, 3249869), (199, 3200876), (343, 1857068), (398, 1600438), (686, 928534), (796, 800219), (1372, 464267), (1393, 457268), (2333, 273028), (2786, 228634), (4666, 136514), (5572, 114317), (9332, 68257), (9751, 65324), (16331, 39004), (19502, 32662)]