279748

素因数分解:

$2^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:211

約数の個数: 24

約数和(自身を含む): 570752

約数和(自身を除く): 291004

約数列:

[1, 2, 4, 7, 14, 28, 97, 103, 194, 206, 388, 412, 679, 721, 1358, 1442, 2716, 2884, 9991, 19982, 39964, 69937, 139874, 279748]

約数ペア:

[(1, 279748), (2, 139874), (4, 69937), (7, 39964), (14, 19982), (28, 9991), (97, 2884), (103, 2716), (194, 1442), (206, 1358), (388, 721), (412, 679)]