40779809

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{271}}^1$

素因数の和:405

約数の個数: 24

約数和(自身を含む): 49488768

約数和(自身を除く): 8708959

約数列:

[1, 7, 37, 49, 83, 259, 271, 581, 1813, 1897, 3071, 4067, 10027, 13279, 21497, 22493, 70189, 150479, 157451, 491323, 832241, 1102157, 5825687, 40779809]

約数ペア:

[(1, 40779809), (7, 5825687), (37, 1102157), (49, 832241), (83, 491323), (259, 157451), (271, 150479), (581, 70189), (1813, 22493), (1897, 21497), (3071, 13279), (4067, 10027)]