66257009

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{38321}}^1$

素因数の和:38360

約数の個数: 16

約数和(自身を含む): 85841280

約数和(自身を除く): 19584271

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 38321, 268247, 498173, 728099, 3487211, 5096693, 9465287, 66257009]

約数ペア:

[(1, 66257009), (7, 9465287), (13, 5096693), (19, 3487211), (91, 728099), (133, 498173), (247, 268247), (1729, 38321)]