81251842

素因数分解:

$2^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{30071}}^1$

素因数の和:30273

約数の個数: 16

約数和(自身を含む): 140015232

約数和(自身を除く): 58763390

約数列:

[1, 2, 7, 14, 193, 386, 1351, 2702, 30071, 60142, 210497, 420994, 5803703, 11607406, 40625921, 81251842]

約数ペア:

[(1, 81251842), (2, 40625921), (7, 11607406), (14, 5803703), (193, 420994), (386, 210497), (1351, 60142), (2702, 30071)]