165510512

素因数分解:

$2^4\times {\mathrm{509}}^1\times {\mathrm{20323}}^1$

素因数の和:20840

約数の個数: 20

約数和(自身を含む): 321322440

約数和(自身を除く): 155811928

約数列:

[1, 2, 4, 8, 16, 509, 1018, 2036, 4072, 8144, 20323, 40646, 81292, 162584, 325168, 10344407, 20688814, 41377628, 82755256, 165510512]

約数ペア:

[(1, 165510512), (2, 82755256), (4, 41377628), (8, 20688814), (16, 10344407), (509, 325168), (1018, 162584), (2036, 81292), (4072, 40646), (8144, 20323)]