255745671

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{829}}^1$

素因数の和:1135

約数の個数: 32

約数和(自身を含む): 378639360

約数和(自身を除く): 122893689

約数列:

[1, 3, 17, 23, 51, 69, 263, 391, 789, 829, 1173, 2487, 4471, 6049, 13413, 14093, 18147, 19067, 42279, 57201, 102833, 218027, 308499, 324139, 654081, 972417, 3706459, 5014621, 11119377, 15043863, 85248557, 255745671]

約数ペア:

[(1, 255745671), (3, 85248557), (17, 15043863), (23, 11119377), (51, 5014621), (69, 3706459), (263, 972417), (391, 654081), (789, 324139), (829, 308499), (1173, 218027), (2487, 102833), (4471, 57201), (6049, 42279), (13413, 19067), (14093, 18147)]