129778474

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{487889}}^1$

素因数の和:487917

約数の個数: 16

約数和(自身を含む): 234187200

約数和(自身を除く): 104408726

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 487889, 975778, 3415223, 6830446, 9269891, 18539782, 64889237, 129778474]

約数ペア:

[(1, 129778474), (2, 64889237), (7, 18539782), (14, 9269891), (19, 6830446), (38, 3415223), (133, 975778), (266, 487889)]