205845232

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{210907}}^1$

素因数の和:210976

約数の個数: 20

約数和(自身を含む): 405365176

約数和(自身を除く): 199519944

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 210907, 421814, 843628, 1687256, 3374512, 12865327, 25730654, 51461308, 102922616, 205845232]

約数ペア:

[(1, 205845232), (2, 102922616), (4, 51461308), (8, 25730654), (16, 12865327), (61, 3374512), (122, 1687256), (244, 843628), (488, 421814), (976, 210907)]