81867730

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{167077}}^1$

素因数の和:167098

約数の個数: 24

約数和(自身を含む): 171422028

約数和(自身を除く): 89554298

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 167077, 334154, 835385, 1169539, 1670770, 2339078, 5847695, 8186773, 11695390, 16373546, 40933865, 81867730]

約数ペア:

[(1, 81867730), (2, 40933865), (5, 16373546), (7, 11695390), (10, 8186773), (14, 5847695), (35, 2339078), (49, 1670770), (70, 1169539), (98, 835385), (245, 334154), (490, 167077)]