261796345

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{3449}}^1$

素因数の和:3537

約数の個数: 32

約数和(自身を含む): 357696000

約数和(自身を除く): 95899655

約数列:

[1, 5, 17, 19, 47, 85, 95, 235, 323, 799, 893, 1615, 3449, 3995, 4465, 15181, 17245, 58633, 65531, 75905, 162103, 293165, 327655, 810515, 1114027, 2755751, 3079957, 5570135, 13778755, 15399785, 52359269, 261796345]

約数ペア:

[(1, 261796345), (5, 52359269), (17, 15399785), (19, 13778755), (47, 5570135), (85, 3079957), (95, 2755751), (235, 1114027), (323, 810515), (799, 327655), (893, 293165), (1615, 162103), (3449, 75905), (3995, 65531), (4465, 58633), (15181, 17245)]