40442507

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{577}}^1$

素因数の和:651

約数の個数: 32

約数和(自身を含む): 53268480

約数和(自身を除く): 12825973

約数列:

[1, 7, 17, 19, 31, 119, 133, 217, 323, 527, 577, 589, 2261, 3689, 4039, 4123, 9809, 10013, 10963, 17887, 68663, 70091, 76741, 125209, 186371, 304079, 339853, 1304597, 2128553, 2378971, 5777501, 40442507]

約数ペア:

[(1, 40442507), (7, 5777501), (17, 2378971), (19, 2128553), (31, 1304597), (119, 339853), (133, 304079), (217, 186371), (323, 125209), (527, 76741), (577, 70091), (589, 68663), (2261, 17887), (3689, 10963), (4039, 10013), (4123, 9809)]