1987612

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{227}}^1$

素因数の和:441

約数の個数: 24

約数和(自身を含む): 3830400

約数和(自身を除く): 1842788

約数列:

[1, 2, 4, 11, 22, 44, 199, 227, 398, 454, 796, 908, 2189, 2497, 4378, 4994, 8756, 9988, 45173, 90346, 180692, 496903, 993806, 1987612]

約数ペア:

[(1, 1987612), (2, 993806), (4, 496903), (11, 180692), (22, 90346), (44, 45173), (199, 9988), (227, 8756), (398, 4994), (454, 4378), (796, 2497), (908, 2189)]