1991774318

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1\times {\mathrm{90199}}^1$

素因数の和:90443

約数の個数: 16

約数和(自身を含む): 3053450400

約数和(自身を除く): 1061676082

約数列:

[1, 2, 61, 122, 181, 362, 11041, 22082, 90199, 180398, 5502139, 11004278, 16326019, 32652038, 995887159, 1991774318]

約数ペア:

[(1, 1991774318), (2, 995887159), (61, 32652038), (122, 16326019), (181, 11004278), (362, 5502139), (11041, 180398), (22082, 90199)]