2051228272

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{1176163}}^1$

素因数の和:1176280

約数の個数: 20

約数和(自身を含む): 4010719240

約数和(自身を除く): 1959490968

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 1176163, 2352326, 4704652, 9409304, 18818608, 128201767, 256403534, 512807068, 1025614136, 2051228272]

約数ペア:

[(1, 2051228272), (2, 1025614136), (4, 512807068), (8, 256403534), (16, 128201767), (109, 18818608), (218, 9409304), (436, 4704652), (872, 2352326), (1744, 1176163)]