261088072

素因数分解:

$2^3\times 7^2\times {\mathrm{666041}}^1$

素因数の和:666061

約数の個数: 24

約数和(自身を含む): 569465910

約数和(自身を除く): 308377838

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 666041, 1332082, 2664164, 4662287, 5328328, 9324574, 18649148, 32636009, 37298296, 65272018, 130544036, 261088072]

約数ペア:

[(1, 261088072), (2, 130544036), (4, 65272018), (7, 37298296), (8, 32636009), (14, 18649148), (28, 9324574), (49, 5328328), (56, 4662287), (98, 2664164), (196, 1332082), (392, 666041)]