1991376008

素因数分解:

$2^3\times {\mathrm{1583}}^1\times {\mathrm{157247}}^1$

素因数の和:158836

約数の個数: 16

約数和(自身を含む): 3736212480

約数和(自身を除く): 1744836472

約数列:

[1, 2, 4, 8, 1583, 3166, 6332, 12664, 157247, 314494, 628988, 1257976, 248922001, 497844002, 995688004, 1991376008]

約数ペア:

[(1, 1991376008), (2, 995688004), (4, 497844002), (8, 248922001), (1583, 1257976), (3166, 628988), (6332, 314494), (12664, 157247)]