289793872

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{130303}}^1$

素因数の和:130450

約数の個数: 20

約数和(自身を含む): 565519360

約数和(自身を除く): 275725488

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 130303, 260606, 521212, 1042424, 2084848, 18112117, 36224234, 72448468, 144896936, 289793872]

約数ペア:

[(1, 289793872), (2, 144896936), (4, 72448468), (8, 36224234), (16, 18112117), (139, 2084848), (278, 1042424), (556, 521212), (1112, 260606), (2224, 130303)]