2005200728

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{278191}}^1$

素因数の和:278267

約数の個数: 32

約数和(自身を含む): 4056039360

約数和(自身を除く): 2050838632

約数列:

[1, 2, 4, 8, 17, 34, 53, 68, 106, 136, 212, 424, 901, 1802, 3604, 7208, 278191, 556382, 1112764, 2225528, 4729247, 9458494, 14744123, 18916988, 29488246, 37833976, 58976492, 117952984, 250650091, 501300182, 1002600364, 2005200728]

約数ペア:

[(1, 2005200728), (2, 1002600364), (4, 501300182), (8, 250650091), (17, 117952984), (34, 58976492), (53, 37833976), (68, 29488246), (106, 18916988), (136, 14744123), (212, 9458494), (424, 4729247), (901, 2225528), (1802, 1112764), (3604, 556382), (7208, 278191)]