257029600456

素因数分解:

$2^3\times {\mathrm{641}}^1\times {\mathrm{50122777}}^1$

素因数の和:50123424

約数の個数: 16

約数和(自身を含む): 482682352140

約数和(自身を除く): 225652751684

約数列:

[1, 2, 4, 8, 641, 1282, 2564, 5128, 50122777, 100245554, 200491108, 400982216, 32128700057, 64257400114, 128514800228, 257029600456]

約数ペア:

[(1, 257029600456), (2, 128514800228), (4, 64257400114), (8, 32128700057), (641, 400982216), (1282, 200491108), (2564, 100245554), (5128, 50122777)]