40045397

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{643}}^1$

素因数の和:729

約数の個数: 24

約数和(自身を含む): 49335552

約数和(自身を除く): 9290155

約数列:

[1, 7, 31, 41, 49, 217, 287, 643, 1271, 1519, 2009, 4501, 8897, 19933, 26363, 31507, 62279, 139531, 184541, 817253, 976717, 1291787, 5720771, 40045397]

約数ペア:

[(1, 40045397), (7, 5720771), (31, 1291787), (41, 976717), (49, 817253), (217, 184541), (287, 139531), (643, 62279), (1271, 31507), (1519, 26363), (2009, 19933), (4501, 8897)]