51228728

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{2003}}^1$

素因数の和:2171

約数の個数: 32

約数和(自身を含む): 101001600

約数和(自身を除く): 49772872

約数列:

[1, 2, 4, 8, 23, 46, 92, 139, 184, 278, 556, 1112, 2003, 3197, 4006, 6394, 8012, 12788, 16024, 25576, 46069, 92138, 184276, 278417, 368552, 556834, 1113668, 2227336, 6403591, 12807182, 25614364, 51228728]

約数ペア:

[(1, 51228728), (2, 25614364), (4, 12807182), (8, 6403591), (23, 2227336), (46, 1113668), (92, 556834), (139, 368552), (184, 278417), (278, 184276), (556, 92138), (1112, 46069), (2003, 25576), (3197, 16024), (4006, 12788), (6394, 8012)]