687152

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{641}}^1$

素因数の和:716

約数の個数: 20

約数和(自身を含む): 1353336

約数和(自身を除く): 666184

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 641, 1072, 1282, 2564, 5128, 10256, 42947, 85894, 171788, 343576, 687152]

約数ペア:

[(1, 687152), (2, 343576), (4, 171788), (8, 85894), (16, 42947), (67, 10256), (134, 5128), (268, 2564), (536, 1282), (641, 1072)]