279009836

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1\times {\mathrm{479}}^1$

素因数の和:854

約数の個数: 48

約数和(自身を含む): 568995840

約数和(自身を除く): 289986004

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 293, 479, 497, 586, 958, 994, 1172, 1916, 1988, 2051, 3353, 4102, 6706, 8204, 13412, 20803, 34009, 41606, 68018, 83212, 136036, 140347, 145621, 238063, 280694, 291242, 476126, 561388, 582484, 952252, 982429, 1964858, 3929716, 9964637, 19929274, 39858548, 69752459, 139504918, 279009836]

約数ペア:

[(1, 279009836), (2, 139504918), (4, 69752459), (7, 39858548), (14, 19929274), (28, 9964637), (71, 3929716), (142, 1964858), (284, 982429), (293, 952252), (479, 582484), (497, 561388), (586, 476126), (958, 291242), (994, 280694), (1172, 238063), (1916, 145621), (1988, 140347), (2051, 136036), (3353, 83212), (4102, 68018), (6706, 41606), (8204, 34009), (13412, 20803)]