279664

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1$

素因数の和:253

約数の個数: 40

約数和(自身を含む): 678528

約数和(自身を除く): 398864

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 227, 308, 454, 616, 908, 1232, 1589, 1816, 2497, 3178, 3632, 4994, 6356, 9988, 12712, 17479, 19976, 25424, 34958, 39952, 69916, 139832, 279664]

約数ペア:

[(1, 279664), (2, 139832), (4, 69916), (7, 39952), (8, 34958), (11, 25424), (14, 19976), (16, 17479), (22, 12712), (28, 9988), (44, 6356), (56, 4994), (77, 3632), (88, 3178), (112, 2497), (154, 1816), (176, 1589), (227, 1232), (308, 908), (454, 616)]