219953215

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{74687}}^1$

素因数の和:74742

約数の個数: 16

約数和(自身を含む): 286801920

約数和(自身を除く): 66848705

約数列:

[1, 5, 19, 31, 95, 155, 589, 2945, 74687, 373435, 1419053, 2315297, 7095265, 11576485, 43990643, 219953215]

約数ペア:

[(1, 219953215), (5, 43990643), (19, 11576485), (31, 7095265), (95, 2315297), (155, 1419053), (589, 373435), (2945, 74687)]