81838330

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{167017}}^1$

素因数の和:167038

約数の個数: 24

約数和(自身を含む): 171360468

約数和(自身を除く): 89522138

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 167017, 334034, 835085, 1169119, 1670170, 2338238, 5845595, 8183833, 11691190, 16367666, 40919165, 81838330]

約数ペア:

[(1, 81838330), (2, 40919165), (5, 16367666), (7, 11691190), (10, 8183833), (14, 5845595), (35, 2338238), (49, 1670170), (70, 1169119), (98, 835085), (245, 334034), (490, 167017)]