81742346

素因数分解:

$2^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{11471}}^1$

素因数の和:11989

約数の個数: 16

約数和(自身を含む): 140417280

約数和(自身を除く): 58674934

約数列:

[1, 2, 7, 14, 509, 1018, 3563, 7126, 11471, 22942, 80297, 160594, 5838739, 11677478, 40871173, 81742346]

約数ペア:

[(1, 81742346), (2, 40871173), (7, 11677478), (14, 5838739), (509, 160594), (1018, 80297), (3563, 22942), (7126, 11471)]