890372728

素因数分解:

$2^3\times 7^2\times {\mathrm{41}}^1\times {\mathrm{55399}}^1$

素因数の和:55460

約数の個数: 48

約数和(自身を含む): 1989414000

約数和(自身を除く): 1099041272

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 49, 56, 82, 98, 164, 196, 287, 328, 392, 574, 1148, 2009, 2296, 4018, 8036, 16072, 55399, 110798, 221596, 387793, 443192, 775586, 1551172, 2271359, 2714551, 3102344, 4542718, 5429102, 9085436, 10858204, 15899513, 18170872, 21716408, 31799026, 63598052, 111296591, 127196104, 222593182, 445186364, 890372728]

約数ペア:

[(1, 890372728), (2, 445186364), (4, 222593182), (7, 127196104), (8, 111296591), (14, 63598052), (28, 31799026), (41, 21716408), (49, 18170872), (56, 15899513), (82, 10858204), (98, 9085436), (164, 5429102), (196, 4542718), (287, 3102344), (328, 2714551), (392, 2271359), (574, 1551172), (1148, 775586), (2009, 443192), (2296, 387793), (4018, 221596), (8036, 110798), (16072, 55399)]