6439517

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:137

約数の個数: 24

約数和(自身を含む): 8069376

約数和(自身を除く): 1629859

約数列:

[1, 7, 23, 37, 47, 161, 259, 329, 529, 851, 1081, 1739, 3703, 5957, 7567, 12173, 19573, 24863, 39997, 137011, 174041, 279979, 919931, 6439517]

約数ペア:

[(1, 6439517), (7, 919931), (23, 279979), (37, 174041), (47, 137011), (161, 39997), (259, 24863), (329, 19573), (529, 12173), (851, 7567), (1081, 5957), (1739, 3703)]