42978155

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:299

約数の個数: 32

約数和(自身を含む): 58164480

約数和(自身を除く): 15186325

約数列:

[1, 5, 11, 55, 67, 107, 109, 335, 535, 545, 737, 1177, 1199, 3685, 5885, 5995, 7169, 7303, 11663, 35845, 36515, 58315, 78859, 80333, 128293, 394295, 401665, 641465, 781421, 3907105, 8595631, 42978155]

約数ペア:

[(1, 42978155), (5, 8595631), (11, 3907105), (55, 781421), (67, 641465), (107, 401665), (109, 394295), (335, 128293), (535, 80333), (545, 78859), (737, 58315), (1177, 36515), (1199, 35845), (3685, 11663), (5885, 7303), (5995, 7169)]