257945437

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1\times {\mathrm{1567}}^1$

素因数の和:2028

約数の個数: 16

約数和(自身を含む): 285852672

約数和(自身を除く): 27907235

約数列:

[1, 17, 23, 391, 421, 1567, 7157, 9683, 26639, 36041, 164611, 612697, 659707, 11215019, 15173261, 257945437]

約数ペア:

[(1, 257945437), (17, 15173261), (23, 11215019), (391, 659707), (421, 612697), (1567, 164611), (7157, 36041), (9683, 26639)]