204806987

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{359}}^1$

素因数の和:647

約数の個数: 32

約数和(自身を含む): 265420800

約数和(自身を除く): 60613813

約数列:

[1, 7, 11, 31, 77, 217, 239, 341, 359, 1673, 2387, 2513, 2629, 3949, 7409, 11129, 18403, 27643, 51863, 77903, 81499, 85801, 122419, 570493, 600607, 856933, 943811, 2659831, 6606677, 18618817, 29258141, 204806987]

約数ペア:

[(1, 204806987), (7, 29258141), (11, 18618817), (31, 6606677), (77, 2659831), (217, 943811), (239, 856933), (341, 600607), (359, 570493), (1673, 122419), (2387, 85801), (2513, 81499), (2629, 77903), (3949, 51863), (7409, 27643), (11129, 18403)]