38639498

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{1061}}^1$

素因数の和:1333

約数の個数: 16

約数和(自身を含む): 58877280

約数和(自身を除く): 20237782

約数列:

[1, 2, 131, 139, 262, 278, 1061, 2122, 18209, 36418, 138991, 147479, 277982, 294958, 19319749, 38639498]

約数ペア:

[(1, 38639498), (2, 19319749), (131, 294958), (139, 277982), (262, 147479), (278, 138991), (1061, 36418), (2122, 18209)]