647706870721

素因数分解:

${\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1\times {\mathrm{253867}}^1$

素因数の和:254328

約数の個数: 16

約数和(自身を含む): 663509404800

約数和(自身を除く): 15802534079

約数列:

[1, 89, 109, 263, 9701, 23407, 28667, 253867, 2551363, 22594163, 27671503, 66767021, 2462763767, 5942264869, 7277605289, 647706870721]

約数ペア:

[(1, 647706870721), (89, 7277605289), (109, 5942264869), (263, 2462763767), (9701, 66767021), (23407, 27671503), (28667, 22594163), (253867, 2551363)]