1981984

素因数分解:

$2^5\times {\mathrm{241}}^1\times {\mathrm{257}}^1$

素因数の和:508

約数の個数: 24

約数和(自身を含む): 3933468

約数和(自身を除く): 1951484

約数列:

[1, 2, 4, 8, 16, 32, 241, 257, 482, 514, 964, 1028, 1928, 2056, 3856, 4112, 7712, 8224, 61937, 123874, 247748, 495496, 990992, 1981984]

約数ペア:

[(1, 1981984), (2, 990992), (4, 495496), (8, 247748), (16, 123874), (32, 61937), (241, 8224), (257, 7712), (482, 4112), (514, 3856), (964, 2056), (1028, 1928)]