216544055

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{475921}}^1$

素因数の和:475946

約数の個数: 16

約数和(自身を含む): 319819584

約数和(自身を除く): 103275529

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 475921, 2379605, 3331447, 6186973, 16657235, 30934865, 43308811, 216544055]

約数ペア:

[(1, 216544055), (5, 43308811), (7, 30934865), (13, 16657235), (35, 6186973), (65, 3331447), (91, 2379605), (455, 475921)]