81441544

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{1129}}^1$

素因数の和:1333

約数の個数: 32

約数和(自身を含む): 156211200

約数和(自身を除く): 74769656

約数列:

[1, 2, 4, 8, 71, 127, 142, 254, 284, 508, 568, 1016, 1129, 2258, 4516, 9017, 9032, 18034, 36068, 72136, 80159, 143383, 160318, 286766, 320636, 573532, 641272, 1147064, 10180193, 20360386, 40720772, 81441544]

約数ペア:

[(1, 81441544), (2, 40720772), (4, 20360386), (8, 10180193), (71, 1147064), (127, 641272), (142, 573532), (254, 320636), (284, 286766), (508, 160318), (568, 143383), (1016, 80159), (1129, 72136), (2258, 36068), (4516, 18034), (9017, 9032)]