40321316

素因数分解:

$2^2\times 7^2\times {\mathrm{205721}}^1$

素因数の和:205739

約数の個数: 18

約数和(自身を含む): 82083078

約数和(自身を除く): 41761762

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 205721, 411442, 822884, 1440047, 2880094, 5760188, 10080329, 20160658, 40321316]

約数ペア:

[(1, 40321316), (2, 20160658), (4, 10080329), (7, 5760188), (14, 2880094), (28, 1440047), (49, 822884), (98, 411442), (196, 205721)]