128542738

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{229}}^1$

素因数の和:442

約数の個数: 32

約数和(自身を含む): 203290560

約数和(自身を除く): 74747822

約数列:

[1, 2, 43, 61, 86, 107, 122, 214, 229, 458, 2623, 4601, 5246, 6527, 9202, 9847, 13054, 13969, 19694, 24503, 27938, 49006, 280661, 561322, 600667, 1053629, 1201334, 1494683, 2107258, 2989366, 64271369, 128542738]

約数ペア:

[(1, 128542738), (2, 64271369), (43, 2989366), (61, 2107258), (86, 1494683), (107, 1201334), (122, 1053629), (214, 600667), (229, 561322), (458, 280661), (2623, 49006), (4601, 27938), (5246, 24503), (6527, 19694), (9202, 13969), (9847, 13054)]