1291223816

素因数分解:

$2^3\times {\mathrm{20899}}^1\times {\mathrm{7723}}^1$

素因数の和:28628

約数の個数: 16

約数和(自身を含む): 2421474000

約数和(自身を除く): 1130250184

約数列:

[1, 2, 4, 8, 7723, 15446, 20899, 30892, 41798, 61784, 83596, 167192, 161402977, 322805954, 645611908, 1291223816]

約数ペア:

[(1, 1291223816), (2, 645611908), (4, 322805954), (8, 161402977), (7723, 167192), (15446, 83596), (20899, 61784), (30892, 41798)]