261532018

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{133571}}^1$

素因数の和:133673

約数の個数: 16

約数和(自身を含む): 432773280

約数和(自身を除く): 171241262

約数列:

[1, 2, 11, 22, 89, 178, 979, 1958, 133571, 267142, 1469281, 2938562, 11887819, 23775638, 130766009, 261532018]

約数ペア:

[(1, 261532018), (2, 130766009), (11, 23775638), (22, 11887819), (89, 2938562), (178, 1469281), (979, 267142), (1958, 133571)]