991757648

素因数分解:

$2^4\times 7^2\times {\mathrm{1264997}}^1$

素因数の和:1265019

約数の個数: 30

約数和(自身を含む): 2235251466

約数和(自身を除く): 1243493818

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 1264997, 2529994, 5059988, 8854979, 10119976, 17709958, 20239952, 35419916, 61984853, 70839832, 123969706, 141679664, 247939412, 495878824, 991757648]

約数ペア:

[(1, 991757648), (2, 495878824), (4, 247939412), (7, 141679664), (8, 123969706), (14, 70839832), (16, 61984853), (28, 35419916), (49, 20239952), (56, 17709958), (98, 10119976), (112, 8854979), (196, 5059988), (392, 2529994), (784, 1264997)]