215816

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{509}}^1$

素因数の和:568

約数の個数: 16

約数和(自身を含む): 413100

約数和(自身を除く): 197284

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 509, 1018, 2036, 4072, 26977, 53954, 107908, 215816]

約数ペア:

[(1, 215816), (2, 107908), (4, 53954), (8, 26977), (53, 4072), (106, 2036), (212, 1018), (424, 509)]