209964964

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{24223}}^1$

素因数の和:24435

約数の個数: 24

約数和(自身を含む): 402893568

約数和(自身を除く): 192928604

約数列:

[1, 2, 4, 11, 22, 44, 197, 394, 788, 2167, 4334, 8668, 24223, 48446, 96892, 266453, 532906, 1065812, 4771931, 9543862, 19087724, 52491241, 104982482, 209964964]

約数ペア:

[(1, 209964964), (2, 104982482), (4, 52491241), (11, 19087724), (22, 9543862), (44, 4771931), (197, 1065812), (394, 532906), (788, 266453), (2167, 96892), (4334, 48446), (8668, 24223)]