81245332

素因数分解:

$2^2\times 7^2\times {\mathrm{199}}^1\times {\mathrm{2083}}^1$

素因数の和:2300

約数の個数: 36

約数和(自身を含む): 166303200

約数和(自身を除く): 85057868

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 199, 398, 796, 1393, 2083, 2786, 4166, 5572, 8332, 9751, 14581, 19502, 29162, 39004, 58324, 102067, 204134, 408268, 414517, 829034, 1658068, 2901619, 5803238, 11606476, 20311333, 40622666, 81245332]

約数ペア:

[(1, 81245332), (2, 40622666), (4, 20311333), (7, 11606476), (14, 5803238), (28, 2901619), (49, 1658068), (98, 829034), (196, 414517), (199, 408268), (398, 204134), (796, 102067), (1393, 58324), (2083, 39004), (2786, 29162), (4166, 19502), (5572, 14581), (8332, 9751)]