204500972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{19963}}^1$

素因数の和:20177

約数の個数: 24

約数和(自身を含む): 387381456

約数和(自身を除く): 182880484

約数列:

[1, 2, 4, 13, 26, 52, 197, 394, 788, 2561, 5122, 10244, 19963, 39926, 79852, 259519, 519038, 1038076, 3932711, 7865422, 15730844, 51125243, 102250486, 204500972]

約数ペア:

[(1, 204500972), (2, 102250486), (4, 51125243), (13, 15730844), (26, 7865422), (52, 3932711), (197, 1038076), (394, 519038), (788, 259519), (2561, 79852), (5122, 39926), (10244, 19963)]