210519244

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{311419}}^1$

素因数の和:311449

約数の個数: 18

約数和(自身を含む): 398929020

約数和(自身を除く): 188409776

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 311419, 622838, 1245676, 4048447, 8096894, 16193788, 52629811, 105259622, 210519244]

約数ペア:

[(1, 210519244), (2, 105259622), (4, 52629811), (13, 16193788), (26, 8096894), (52, 4048447), (169, 1245676), (338, 622838), (676, 311419)]