1287678

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:109

約数の個数: 64

約数和(自身を含む): 3244032

約数和(自身を除く): 1956354

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 31, 42, 43, 46, 62, 69, 86, 93, 129, 138, 161, 186, 217, 258, 301, 322, 434, 483, 602, 651, 713, 903, 966, 989, 1302, 1333, 1426, 1806, 1978, 2139, 2666, 2967, 3999, 4278, 4991, 5934, 6923, 7998, 9331, 9982, 13846, 14973, 18662, 20769, 27993, 29946, 30659, 41538, 55986, 61318, 91977, 183954, 214613, 429226, 643839, 1287678]

約数ペア:

[(1, 1287678), (2, 643839), (3, 429226), (6, 214613), (7, 183954), (14, 91977), (21, 61318), (23, 55986), (31, 41538), (42, 30659), (43, 29946), (46, 27993), (62, 20769), (69, 18662), (86, 14973), (93, 13846), (129, 9982), (138, 9331), (161, 7998), (186, 6923), (217, 5934), (258, 4991), (301, 4278), (322, 3999), (434, 2967), (483, 2666), (602, 2139), (651, 1978), (713, 1806), (903, 1426), (966, 1333), (989, 1302)]