2543984

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:285

約数の個数: 40

約数和(自身を含む): 5332992

約数和(自身を除く): 2789008

約数列:

[1, 2, 4, 8, 16, 23, 31, 46, 62, 92, 124, 184, 223, 248, 368, 446, 496, 713, 892, 1426, 1784, 2852, 3568, 5129, 5704, 6913, 10258, 11408, 13826, 20516, 27652, 41032, 55304, 82064, 110608, 158999, 317998, 635996, 1271992, 2543984]

約数ペア:

[(1, 2543984), (2, 1271992), (4, 635996), (8, 317998), (16, 158999), (23, 110608), (31, 82064), (46, 55304), (62, 41032), (92, 27652), (124, 20516), (184, 13826), (223, 11408), (248, 10258), (368, 6913), (446, 5704), (496, 5129), (713, 3568), (892, 2852), (1426, 1784)]