199478128

素因数分解:

$2^4\times {\mathrm{449}}^1\times {\mathrm{27767}}^1$

素因数の和:28224

約数の個数: 20

約数和(自身を含む): 387363600

約数和(自身を除く): 187885472

約数列:

[1, 2, 4, 8, 16, 449, 898, 1796, 3592, 7184, 27767, 55534, 111068, 222136, 444272, 12467383, 24934766, 49869532, 99739064, 199478128]

約数ペア:

[(1, 199478128), (2, 99739064), (4, 49869532), (8, 24934766), (16, 12467383), (449, 444272), (898, 222136), (1796, 111068), (3592, 55534), (7184, 27767)]