131539212

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{521981}}^1$

素因数の和:521998

約数の個数: 36

約数和(自身を含む): 380002896

約数和(自身を除く): 248463684

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 521981, 1043962, 1565943, 2087924, 3131886, 3653867, 4697829, 6263772, 7307734, 9395658, 10961601, 14615468, 18791316, 21923202, 32884803, 43846404, 65769606, 131539212]

約数ペア:

[(1, 131539212), (2, 65769606), (3, 43846404), (4, 32884803), (6, 21923202), (7, 18791316), (9, 14615468), (12, 10961601), (14, 9395658), (18, 7307734), (21, 6263772), (28, 4697829), (36, 3653867), (42, 3131886), (63, 2087924), (84, 1565943), (126, 1043962), (252, 521981)]