28987866

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{70019}}^1$

素因数の和:70050

約数の個数: 24

約数和(自身を含む): 65538720

約数和(自身を除く): 36550854

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 70019, 140038, 210057, 420114, 630171, 1260342, 1610437, 3220874, 4831311, 9662622, 14493933, 28987866]

約数ペア:

[(1, 28987866), (2, 14493933), (3, 9662622), (6, 4831311), (9, 3220874), (18, 1610437), (23, 1260342), (46, 630171), (69, 420114), (138, 210057), (207, 140038), (414, 70019)]