131287212

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{520981}}^1$

素因数の和:520998

約数の個数: 36

約数和(自身を含む): 379274896

約数和(自身を除く): 247987684

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 520981, 1041962, 1562943, 2083924, 3125886, 3646867, 4688829, 6251772, 7293734, 9377658, 10940601, 14587468, 18755316, 21881202, 32821803, 43762404, 65643606, 131287212]

約数ペア:

[(1, 131287212), (2, 65643606), (3, 43762404), (4, 32821803), (6, 21881202), (7, 18755316), (9, 14587468), (12, 10940601), (14, 9377658), (18, 7293734), (21, 6251772), (28, 4688829), (36, 3646867), (42, 3125886), (63, 2083924), (84, 1562943), (126, 1041962), (252, 520981)]