261840726

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{16363}}^1$

素因数の和:16505

約数の個数: 48

約数和(自身を含む): 653512704

約数和(自身を除く): 391671978

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 127, 254, 381, 762, 889, 1143, 1778, 2286, 2667, 5334, 8001, 16002, 16363, 32726, 49089, 98178, 114541, 147267, 229082, 294534, 343623, 687246, 1030869, 2061738, 2078101, 4156202, 6234303, 12468606, 14546707, 18702909, 29093414, 37405818, 43640121, 87280242, 130920363, 261840726]

約数ペア:

[(1, 261840726), (2, 130920363), (3, 87280242), (6, 43640121), (7, 37405818), (9, 29093414), (14, 18702909), (18, 14546707), (21, 12468606), (42, 6234303), (63, 4156202), (126, 2078101), (127, 2061738), (254, 1030869), (381, 687246), (762, 343623), (889, 294534), (1143, 229082), (1778, 147267), (2286, 114541), (2667, 98178), (5334, 49089), (8001, 32726), (16002, 16363)]