205121513

素因数分解:

${\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{227}}^1\times {\mathrm{283}}^1$

素因数の和:644

約数の個数: 16

約数和(自身を含む): 215494656

約数和(自身を除く): 10373143

約数列:

[1, 31, 103, 227, 283, 3193, 7037, 8773, 23381, 29149, 64241, 724811, 903619, 1991471, 6616823, 205121513]

約数ペア:

[(1, 205121513), (31, 6616823), (103, 1991471), (227, 903619), (283, 724811), (3193, 64241), (7037, 29149), (8773, 23381)]