28765984

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{69149}}^1$

素因数の和:69172

約数の個数: 24

約数和(自身を含む): 60990300

約数和(自身を除く): 32224316

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 69149, 138298, 276596, 553192, 898937, 1106384, 1797874, 2212768, 3595748, 7191496, 14382992, 28765984]

約数ペア:

[(1, 28765984), (2, 14382992), (4, 7191496), (8, 3595748), (13, 2212768), (16, 1797874), (26, 1106384), (32, 898937), (52, 553192), (104, 276596), (208, 138298), (416, 69149)]