256747975278

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1\times {\mathrm{2558219}}^1$

素因数の和:2558656

約数の個数: 32

約数和(自身を含む): 526788662400

約数和(自身を除く): 270040687122

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 389, 778, 1167, 2334, 16727, 33454, 50181, 100362, 2558219, 5116438, 7674657, 15349314, 110003417, 220006834, 330010251, 660020502, 995147191, 1990294382, 2985441573, 5970883146, 42791329213, 85582658426, 128373987639, 256747975278]

約数ペア:

[(1, 256747975278), (2, 128373987639), (3, 85582658426), (6, 42791329213), (43, 5970883146), (86, 2985441573), (129, 1990294382), (258, 995147191), (389, 660020502), (778, 330010251), (1167, 220006834), (2334, 110003417), (16727, 15349314), (33454, 7674657), (50181, 5116438), (100362, 2558219)]