2871681905

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{31253}}^1$

素因数の和:31345

約数の個数: 32

約数和(自身を含む): 3888497664

約数和(自身を除く): 1016815759

約数列:

[1, 5, 17, 23, 47, 85, 115, 235, 391, 799, 1081, 1955, 3995, 5405, 18377, 31253, 91885, 156265, 531301, 718819, 1468891, 2656505, 3594095, 7344455, 12219923, 24971147, 33784493, 61099615, 124855735, 168922465, 574336381, 2871681905]

約数ペア:

[(1, 2871681905), (5, 574336381), (17, 168922465), (23, 124855735), (47, 61099615), (85, 33784493), (115, 24971147), (235, 12219923), (391, 7344455), (799, 3594095), (1081, 2656505), (1955, 1468891), (3995, 718819), (5405, 531301), (18377, 156265), (31253, 91885)]