31981810

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{65269}}^1$

素因数の和:65290

約数の個数: 24

約数和(自身を含む): 66967020

約数和(自身を除く): 34985210

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 65269, 130538, 326345, 456883, 652690, 913766, 2284415, 3198181, 4568830, 6396362, 15990905, 31981810]

約数ペア:

[(1, 31981810), (2, 15990905), (5, 6396362), (7, 4568830), (10, 3198181), (14, 2284415), (35, 913766), (49, 652690), (70, 456883), (98, 326345), (245, 130538), (490, 65269)]