990992

素因数分解:

$2^4\times {\mathrm{241}}^1\times {\mathrm{257}}^1$

素因数の和:506

約数の個数: 20

約数和(自身を含む): 1935516

約数和(自身を除く): 944524

約数列:

[1, 2, 4, 8, 16, 241, 257, 482, 514, 964, 1028, 1928, 2056, 3856, 4112, 61937, 123874, 247748, 495496, 990992]

約数ペア:

[(1, 990992), (2, 495496), (4, 247748), (8, 123874), (16, 61937), (241, 4112), (257, 3856), (482, 2056), (514, 1928), (964, 1028)]