2560558

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1279}}^1$

素因数の和:1312

約数の個数: 32

約数和(自身を含む): 5160960

約数和(自身を除く): 2600402

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 182, 286, 1001, 1279, 2002, 2558, 8953, 14069, 16627, 17906, 28138, 33254, 98483, 116389, 182897, 196966, 232778, 365794, 1280279, 2560558]

約数ペア:

[(1, 2560558), (2, 1280279), (7, 365794), (11, 232778), (13, 196966), (14, 182897), (22, 116389), (26, 98483), (77, 33254), (91, 28138), (143, 17906), (154, 16627), (182, 14069), (286, 8953), (1001, 2558), (1279, 2002)]