289365328

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{36389}}^1$

素因数の和:36475

約数の個数: 40

約数和(自身を含む): 649779840

約数和(自身を除く): 360414512

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 284, 497, 568, 994, 1136, 1988, 3976, 7952, 36389, 72778, 145556, 254723, 291112, 509446, 582224, 1018892, 2037784, 2583619, 4075568, 5167238, 10334476, 18085333, 20668952, 36170666, 41337904, 72341332, 144682664, 289365328]

約数ペア:

[(1, 289365328), (2, 144682664), (4, 72341332), (7, 41337904), (8, 36170666), (14, 20668952), (16, 18085333), (28, 10334476), (56, 5167238), (71, 4075568), (112, 2583619), (142, 2037784), (284, 1018892), (497, 582224), (568, 509446), (994, 291112), (1136, 254723), (1988, 145556), (3976, 72778), (7952, 36389)]