217276543

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:295

約数の個数: 32

約数和(自身を含む): 252675072

約数和(自身を除く): 35398529

約数列:

[1, 11, 37, 71, 73, 103, 407, 781, 803, 1133, 2627, 2701, 3811, 5183, 7313, 7519, 28897, 29711, 41921, 57013, 80443, 82709, 191771, 270581, 278203, 533849, 2109481, 2976391, 3060233, 5872339, 19752413, 217276543]

約数ペア:

[(1, 217276543), (11, 19752413), (37, 5872339), (71, 3060233), (73, 2976391), (103, 2109481), (407, 533849), (781, 278203), (803, 270581), (1133, 191771), (2627, 82709), (2701, 80443), (3811, 57013), (5183, 41921), (7313, 29711), (7519, 28897)]