490330516

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{725341}}^1$

素因数の和:725371

約数の個数: 18

約数和(自身を含む): 929163102

約数和(自身を除く): 438832586

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 725341, 1450682, 2901364, 9429433, 18858866, 37717732, 122582629, 245165258, 490330516]

約数ペア:

[(1, 490330516), (2, 245165258), (4, 122582629), (13, 37717732), (26, 18858866), (52, 9429433), (169, 2901364), (338, 1450682), (676, 725341)]