279891485

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{2347}}^1$

素因数の和:2453

約数の個数: 32

約数和(自身を含む): 377332992

約数和(自身を除く): 97441507

約数列:

[1, 5, 17, 23, 61, 85, 115, 305, 391, 1037, 1403, 1955, 2347, 5185, 7015, 11735, 23851, 39899, 53981, 119255, 143167, 199495, 269905, 715835, 917677, 2433839, 3292841, 4588385, 12169195, 16464205, 55978297, 279891485]

約数ペア:

[(1, 279891485), (5, 55978297), (17, 16464205), (23, 12169195), (61, 4588385), (85, 3292841), (115, 2433839), (305, 917677), (391, 715835), (1037, 269905), (1403, 199495), (1955, 143167), (2347, 119255), (5185, 53981), (7015, 39899), (11735, 23851)]