81921646

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1\times {\mathrm{1607}}^1$

素因数の和:2039

約数の個数: 16

約数和(自身を含む): 125038080

約数和(自身を除く): 43116434

約数列:

[1, 2, 71, 142, 359, 718, 1607, 3214, 25489, 50978, 114097, 228194, 576913, 1153826, 40960823, 81921646]

約数ペア:

[(1, 81921646), (2, 40960823), (71, 1153826), (142, 576913), (359, 228194), (718, 114097), (1607, 50978), (3214, 25489)]