66561284

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{307}}^1\times {\mathrm{809}}^1$

素因数の和:1187

約数の個数: 24

約数和(自身を含む): 118752480

約数和(自身を除く): 52191196

約数列:

[1, 2, 4, 67, 134, 268, 307, 614, 809, 1228, 1618, 3236, 20569, 41138, 54203, 82276, 108406, 216812, 248363, 496726, 993452, 16640321, 33280642, 66561284]

約数ペア:

[(1, 66561284), (2, 33280642), (4, 16640321), (67, 993452), (134, 496726), (268, 248363), (307, 216812), (614, 108406), (809, 82276), (1228, 54203), (1618, 41138), (3236, 20569)]