1285424

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{499}}^1$

素因数の和:537

約数の個数: 40

約数和(自身を含む): 2976000

約数和(自身を除く): 1690576

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 499, 644, 998, 1288, 1996, 2576, 3493, 3992, 6986, 7984, 11477, 13972, 22954, 27944, 45908, 55888, 80339, 91816, 160678, 183632, 321356, 642712, 1285424]

約数ペア:

[(1, 1285424), (2, 642712), (4, 321356), (7, 183632), (8, 160678), (14, 91816), (16, 80339), (23, 55888), (28, 45908), (46, 27944), (56, 22954), (92, 13972), (112, 11477), (161, 7984), (184, 6986), (322, 3992), (368, 3493), (499, 2576), (644, 1996), (998, 1288)]