2971991

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{691}}^1$

素因数の和:742

約数の個数: 16

約数和(自身を含む): 3587328

約数和(自身を除く): 615337

約数列:

[1, 11, 17, 23, 187, 253, 391, 691, 4301, 7601, 11747, 15893, 129217, 174823, 270181, 2971991]

約数ペア:

[(1, 2971991), (11, 270181), (17, 174823), (23, 129217), (187, 15893), (253, 11747), (391, 7601), (691, 4301)]