257165653375

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{1117}}^1\times {\mathrm{108343}}^1$

素因数の和:109492

約数の個数: 32

約数和(自身を含む): 340129086336

約数和(自身を除く): 82963432961

約数列:

[1, 5, 17, 25, 85, 125, 425, 1117, 2125, 5585, 18989, 27925, 94945, 108343, 139625, 474725, 541715, 1841831, 2373625, 2708575, 9209155, 13542875, 46045775, 121019131, 230228875, 605095655, 2057325227, 3025478275, 10286626135, 15127391375, 51433130675, 257165653375]

約数ペア:

[(1, 257165653375), (5, 51433130675), (17, 15127391375), (25, 10286626135), (85, 3025478275), (125, 2057325227), (425, 605095655), (1117, 230228875), (2125, 121019131), (5585, 46045775), (18989, 13542875), (27925, 9209155), (94945, 2708575), (108343, 2373625), (139625, 1841831), (474725, 541715)]