81695156

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{307}}^1\times {\mathrm{937}}^1$

素因数の和:1319

約数の個数: 24

約数和(自身を含む): 145607616

約数和(自身を除く): 63912460

約数列:

[1, 2, 4, 71, 142, 284, 307, 614, 937, 1228, 1874, 3748, 21797, 43594, 66527, 87188, 133054, 266108, 287659, 575318, 1150636, 20423789, 40847578, 81695156]

約数ペア:

[(1, 81695156), (2, 40847578), (4, 20423789), (71, 1150636), (142, 575318), (284, 287659), (307, 266108), (614, 133054), (937, 87188), (1228, 66527), (1874, 43594), (3748, 21797)]