440346488

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{641}}^1\times {\mathrm{1997}}^1$

素因数の和:2687

約数の個数: 32

約数和(自身を含む): 846592560

約数和(自身を除く): 406246072

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 641, 1282, 1997, 2564, 3994, 5128, 7988, 15976, 27563, 55126, 85871, 110252, 171742, 220504, 343484, 686968, 1280077, 2560154, 5120308, 10240616, 55043311, 110086622, 220173244, 440346488]

約数ペア:

[(1, 440346488), (2, 220173244), (4, 110086622), (8, 55043311), (43, 10240616), (86, 5120308), (172, 2560154), (344, 1280077), (641, 686968), (1282, 343484), (1997, 220504), (2564, 171742), (3994, 110252), (5128, 85871), (7988, 55126), (15976, 27563)]