81494287

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{13037}}^1$

素因数の和:13110

約数の個数: 16

約数和(自身を含む): 100131840

約数和(自身を除く): 18637553

約数列:

[1, 7, 19, 47, 133, 329, 893, 6251, 13037, 91259, 247703, 612739, 1733921, 4289173, 11642041, 81494287]

約数ペア:

[(1, 81494287), (7, 11642041), (19, 4289173), (47, 1733921), (133, 612739), (329, 247703), (893, 91259), (6251, 13037)]