1328404

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 3064320

約数和(自身を除く): 1735916

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 133, 154, 209, 227, 266, 308, 418, 454, 532, 836, 908, 1463, 1589, 2497, 2926, 3178, 4313, 4994, 5852, 6356, 8626, 9988, 17252, 17479, 30191, 34958, 47443, 60382, 69916, 94886, 120764, 189772, 332101, 664202, 1328404]

約数ペア:

[(1, 1328404), (2, 664202), (4, 332101), (7, 189772), (11, 120764), (14, 94886), (19, 69916), (22, 60382), (28, 47443), (38, 34958), (44, 30191), (76, 17479), (77, 17252), (133, 9988), (154, 8626), (209, 6356), (227, 5852), (266, 4994), (308, 4313), (418, 3178), (454, 2926), (532, 2497), (836, 1589), (908, 1463)]