40069309

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{223}}^1$

素因数の和:449

約数の個数: 24

約数和(自身を含む): 49539840

約数和(自身を除く): 9470531

約数列:

[1, 7, 19, 49, 133, 193, 223, 931, 1351, 1561, 3667, 4237, 9457, 10927, 25669, 29659, 43039, 179683, 207613, 301273, 817741, 2108911, 5724187, 40069309]

約数ペア:

[(1, 40069309), (7, 5724187), (19, 2108911), (49, 817741), (133, 301273), (193, 207613), (223, 179683), (931, 43039), (1351, 29659), (1561, 25669), (3667, 10927), (4237, 9457)]