81858070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1169401}}^1$

素因数の和:1169415

約数の個数: 16

約数和(自身を含む): 168393888

約数和(自身を除く): 86535818

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1169401, 2338802, 5847005, 8185807, 11694010, 16371614, 40929035, 81858070]

約数ペア:

[(1, 81858070), (2, 40929035), (5, 16371614), (7, 11694010), (10, 8185807), (14, 5847005), (35, 2338802), (70, 1169401)]