19971070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{285301}}^1$

素因数の和:285315

約数の個数: 16

約数和(自身を含む): 41083488

約数和(自身を除く): 21112418

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 285301, 570602, 1426505, 1997107, 2853010, 3994214, 9985535, 19971070]

約数ペア:

[(1, 19971070), (2, 9985535), (5, 3994214), (7, 2853010), (10, 1997107), (14, 1426505), (35, 570602), (70, 285301)]