339985778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{6781}}^1$

素因数の和:6890

約数の個数: 32

約数和(自身を含む): 580105152

約数和(自身を除く): 240119374

約数列:

[1, 2, 11, 22, 43, 53, 86, 106, 473, 583, 946, 1166, 2279, 4558, 6781, 13562, 25069, 50138, 74591, 149182, 291583, 359393, 583166, 718786, 3207413, 3953323, 6414826, 7906646, 15453899, 30907798, 169992889, 339985778]

約数ペア:

[(1, 339985778), (2, 169992889), (11, 30907798), (22, 15453899), (43, 7906646), (53, 6414826), (86, 3953323), (106, 3207413), (473, 718786), (583, 583166), (946, 359393), (1166, 291583), (2279, 149182), (4558, 74591), (6781, 50138), (13562, 25069)]