1998145712

素因数分解:

$2^4\times {\mathrm{641}}^1\times {\mathrm{194827}}^1$

素因数の和:195476

約数の個数: 20

約数和(自身を含む): 3877466856

約数和(自身を除く): 1879321144

約数列:

[1, 2, 4, 8, 16, 641, 1282, 2564, 5128, 10256, 194827, 389654, 779308, 1558616, 3117232, 124884107, 249768214, 499536428, 999072856, 1998145712]

約数ペア:

[(1, 1998145712), (2, 999072856), (4, 499536428), (8, 249768214), (16, 124884107), (641, 3117232), (1282, 1558616), (2564, 779308), (5128, 389654), (10256, 194827)]