131720868

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{85091}}^1$

素因数の和:85144

約数の個数: 36

約数和(自身を含む): 340708368

約数和(自身を除く): 208987500

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 85091, 170182, 255273, 340364, 510546, 765819, 1021092, 1531638, 3063276, 3658913, 7317826, 10976739, 14635652, 21953478, 32930217, 43906956, 65860434, 131720868]

約数ペア:

[(1, 131720868), (2, 65860434), (3, 43906956), (4, 32930217), (6, 21953478), (9, 14635652), (12, 10976739), (18, 7317826), (36, 3658913), (43, 3063276), (86, 1531638), (129, 1021092), (172, 765819), (258, 510546), (387, 340364), (516, 255273), (774, 170182), (1548, 85091)]