261750242

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{569}}^1\times {\mathrm{1361}}^1$

素因数の和:1958

約数の個数: 24

約数和(自身を含む): 426210660

約数和(自身を除く): 164460418

約数列:

[1, 2, 13, 26, 169, 338, 569, 1138, 1361, 2722, 7397, 14794, 17693, 35386, 96161, 192322, 230009, 460018, 774409, 1548818, 10067317, 20134634, 130875121, 261750242]

約数ペア:

[(1, 261750242), (2, 130875121), (13, 20134634), (26, 10067317), (169, 1548818), (338, 774409), (569, 460018), (1138, 230009), (1361, 192322), (2722, 96161), (7397, 35386), (14794, 17693)]