638070385

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{1231}}^1\times {\mathrm{1249}}^1$

素因数の和:2568

約数の個数: 16

約数和(自身を含む): 776160000

約数和(自身を除く): 138089615

約数列:

[1, 5, 83, 415, 1231, 1249, 6155, 6245, 102173, 103667, 510865, 518335, 1537519, 7687595, 127614077, 638070385]

約数ペア:

[(1, 638070385), (5, 127614077), (83, 7687595), (415, 1537519), (1231, 518335), (1249, 510865), (6155, 103667), (6245, 102173)]