209969012

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{32027}}^1$

素因数の和:32191

約数の個数: 24

約数和(自身を含む): 403552800

約数和(自身を除く): 193583788

約数列:

[1, 2, 4, 11, 22, 44, 149, 298, 596, 1639, 3278, 6556, 32027, 64054, 128108, 352297, 704594, 1409188, 4772023, 9544046, 19088092, 52492253, 104984506, 209969012]

約数ペア:

[(1, 209969012), (2, 104984506), (4, 52492253), (11, 19088092), (22, 9544046), (44, 4772023), (149, 1409188), (298, 704594), (596, 352297), (1639, 128108), (3278, 64054), (6556, 32027)]