203440391

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{577}}^1$

素因数の和:855

約数の個数: 32

約数和(自身を含む): 268561920

約数和(自身を除く): 65121529

約数列:

[1, 7, 11, 19, 77, 133, 209, 241, 577, 1463, 1687, 2651, 4039, 4579, 6347, 10963, 18557, 32053, 44429, 50369, 76741, 120593, 139057, 352583, 844151, 973399, 1529627, 2642083, 10707389, 18494581, 29062913, 203440391]

約数ペア:

[(1, 203440391), (7, 29062913), (11, 18494581), (19, 10707389), (77, 2642083), (133, 1529627), (209, 973399), (241, 844151), (577, 352583), (1463, 139057), (1687, 120593), (2651, 76741), (4039, 50369), (4579, 44429), (6347, 32053), (10963, 18557)]