289267916

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1\times {\mathrm{641}}^1$

素因数の和:950

約数の個数: 48

約数和(自身を含む): 590188032

約数和(自身を除く): 300920116

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 227, 284, 454, 497, 641, 908, 994, 1282, 1589, 1988, 2564, 3178, 4487, 6356, 8974, 16117, 17948, 32234, 45511, 64468, 91022, 112819, 145507, 182044, 225638, 291014, 318577, 451276, 582028, 637154, 1018549, 1274308, 2037098, 4074196, 10330997, 20661994, 41323988, 72316979, 144633958, 289267916]

約数ペア:

[(1, 289267916), (2, 144633958), (4, 72316979), (7, 41323988), (14, 20661994), (28, 10330997), (71, 4074196), (142, 2037098), (227, 1274308), (284, 1018549), (454, 637154), (497, 582028), (641, 451276), (908, 318577), (994, 291014), (1282, 225638), (1589, 182044), (1988, 145507), (2564, 112819), (3178, 91022), (4487, 64468), (6356, 45511), (8974, 32234), (16117, 17948)]