128906946

素因数分解:

$2^1\times 3^2\times 7^3\times {\mathrm{20879}}^1$

素因数の和:20908

約数の個数: 48

約数和(自身を含む): 325728000

約数和(自身を除く): 196821054

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 343, 441, 686, 882, 1029, 2058, 3087, 6174, 20879, 41758, 62637, 125274, 146153, 187911, 292306, 375822, 438459, 876918, 1023071, 1315377, 2046142, 2630754, 3069213, 6138426, 7161497, 9207639, 14322994, 18415278, 21484491, 42968982, 64453473, 128906946]

約数ペア:

[(1, 128906946), (2, 64453473), (3, 42968982), (6, 21484491), (7, 18415278), (9, 14322994), (14, 9207639), (18, 7161497), (21, 6138426), (42, 3069213), (49, 2630754), (63, 2046142), (98, 1315377), (126, 1023071), (147, 876918), (294, 438459), (343, 375822), (441, 292306), (686, 187911), (882, 146153), (1029, 125274), (2058, 62637), (3087, 41758), (6174, 20879)]