205540415

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{4919}}^1$

素因数の和:5122

約数の個数: 16

約数和(自身を含む): 252573120

約数和(自身を除く): 47032705

約数列:

[1, 5, 61, 137, 305, 685, 4919, 8357, 24595, 41785, 300059, 673903, 1500295, 3369515, 41108083, 205540415]

約数ペア:

[(1, 205540415), (5, 41108083), (61, 3369515), (137, 1500295), (305, 673903), (685, 300059), (4919, 41785), (8357, 24595)]