257015266

素因数分解:

$2^1\times {\mathrm{199}}^1\times {\mathrm{347}}^1\times {\mathrm{1861}}^1$

素因数の和:2409

約数の個数: 16

約数和(自身を含む): 388785600

約数和(自身を除く): 131770334

約数列:

[1, 2, 199, 347, 398, 694, 1861, 3722, 69053, 138106, 370339, 645767, 740678, 1291534, 128507633, 257015266]

約数ペア:

[(1, 257015266), (2, 128507633), (199, 1291534), (347, 740678), (398, 645767), (694, 370339), (1861, 138106), (3722, 69053)]