309060764

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{214031}}^1$

素因数の和:214073

約数の個数: 18

約数和(自身を含む): 570823344

約数和(自身を除く): 261762580

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 214031, 428062, 856124, 4066589, 8133178, 16266356, 77265191, 154530382, 309060764]

約数ペア:

[(1, 309060764), (2, 154530382), (4, 77265191), (19, 16266356), (38, 8133178), (76, 4066589), (361, 856124), (722, 428062), (1444, 214031)]